                                                       Table Of Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . .  1
   Welcome!. . . . . . . . . . . . . . . . . . . . . . . .  1
   What Can You Do With The PowerBraille?. . . . . . . . .  2
   TeleSensory products that support the PowerBraille. . .  2
   Manual Organization . . . . . . . . . . . . . . . . . .  3
   Typographical Conventions . . . . . . . . . . . . . . .  3
   Customer Support. . . . . . . . . . . . . . . . . . . .  4

Chapter 1: PowerBraille 40 . . . . . . . . . . . . . . . .  5
   Contents of the PowerBraille 40 Package . . . . . . . .  5
   Hardware Description. . . . . . . . . . . . . . . . . .  5
   PowerBraille 40 Hardware Setup. . . . . . . . . . . . .  9
   Removing and Charging the Battery . . . . . . . . . . . 10

Chapter 2: PowerBraille 65 and 80. . . . . . . . . . . . . 11
   Contents of the PowerBraille 65 and PowerBraille 80 Packages 11
   Hardware Description. . . . . . . . . . . . . . . . . . 11
   PowerBraille 65 and PowerBraille 80 Hardware Setup. . . 15

Appendix A: Troubleshooting. . . . . . . . . . . . . . . . 17

Appendix B: Self-Tests . . . . . . . . . . . . . . . . . . 19
   Braille Cells Test. . . . . . . . . . . . . . . . . . . 19
   Keypad Test . . . . . . . . . . . . . . . . . . . . . . 19
   CURSOR ROUTING BUTTON Test. . . . . . . . . . . . . . . 19

Appendix C: Warranty Information . . . . . . . . . . . . . 21
   Software Warranty . . . . . . . . . . . . . . . . . . . 21
   Limited One Year Warranty on Hardware . . . . . . . . . 21
   Disk Replacement Policy . . . . . . . . . . . . . . . . 22
                                                            Introduction



Welcome!


Welcome to the PowerBraille family of refreshable braille displays from
TeleSensory. 

The PowerBraille 40 (PB40), the PowerBraille 65 (PB65), and the
PowerBraille 80 (PB80) enable any braille reader to efficiently use off-the-shelf
PC software. Braille readers can use the PowerBraille in the same way that a
sighted user views the work on a computer's screen. The PowerBraille user can
read material line by line in Grade 2 or 8-dot computer braille. To jump
directly to a particular screen location, the user just presses a key on the
PowerBraille. The PowerBraille user can use software that supports the
PowerBraille to command it to automatically move the display to a particular
screen location.

We designed the PowerBraille to be the most ergonomic braille display
available. Its slim, lightweight design lets it slip easily beneath a notebook
computer or desktop keyboard. Its two serial and one parallel ports guarantee
that you can connect it to any PC. The location if its buttons makes it easy to
remember which keys control specific features. And, the PowerBraille 40's
ability to recharge its Ni-cad batteries keeps it available for the long haul.

The PowerBraille works with or without speech access. If you have trouble
understanding speech synthesizers and would rather work exclusively with
braille, the PowerBraille gives you complete access to the PC without speech.
On the other hand, if you enjoy using speech to access a PC, you will find that
the PowerBraille enables you to speedily skim material or proofread documents
with accuracy.
What Can You Do With The PowerBraille?

Here are a few examples of how TeleSensory's customers are using
PowerBraille:

     A writer uses his PowerBraille to work efficiently in WordPerfect.
      While he uses a speech synthesizer to read the text, he uses
      PowerBraille to keep track of the formatting information in the reveal
      codes window.

     A programmer writes software that prints graphs for her company.
      Without her PowerBraille, she would need sighted assistance to check
      that the columns in the on-screen charts are lined up. Because she has a
      PowerBraille, she can independently design visually-oriented screens.

     A travel agent checks several sources to locate the least expensive
      flight from Denver to Miami. With her new PowerBraille she can take
      on a heavier client load without additional stress. The PowerBraille
      enables her to work with even the most complex and visually-oriented
      screen layouts.

     A fifth-grader needs to learn more about iguanas for a school science
      project. Using his PowerBraille and his Dad's CD-ROM encyclopedia,
      he does his research on the computer.


TeleSensory products that support the PowerBraille

TeleSensory offers several software packages to support your PowerBraille. 

        ScreenPower Braille - enables braille users to access DOS software
         using powerful macro and screen-monitoring capabilities

        Screen Power Integrated - provides both speech and braille output
         for DOS users 

        Screen Power For Windows - enables braille and speech users to
         efficiently navigate Microsoft Windows 3.1 and use many of the
         Windows applications now available.

        Gateway - early braille access software for DOS that provides
         limited support for the PowerBraille. We recommend that Gateway
         users upgrade to ScreenPower.

Manual Organization

This PowerBraille User's Guide includes a description of each of the
PowerBraille models and how each is used.

Chapter 1 deals with the PowerBraille 40.

Chapter 2 deals with the PowerBraille 65 and the PowerBraille 80.

Appendix A deals with troubleshooting. 

Appendix B deals with the PowerBraille models' self-testing capability.

Appendix C deals with TeleSensory's warranty for the three PowerBraille
models.

This PowerBraille User's Guide is available in braille, in print, and on disk.


Typographical Conventions

This PowerBraille documentation uses the following typographical conventions:

  PB40 refers to the PowerBraille 40, PB65 refers to the PowerBraille 65,
   and PB80 refers to the PowerBraille 80. When no model name is
   mentioned, PowerBraille refers to all models.

  PowerBraille front panel keys are in uppercase, such as LEFT ROCKER.

  Computer keyboard names are italicized and in uppercase. For example,
   ESC represents the Escape key. 

  When two keys must be pressed simultaneously, the keys are shown in
   uppercase and are separated by a hyphen. For example, CTRL-N indicates
   that you should hold down CTRL (the Control key) while pressing the N
   key, then release both simultaneously.

  Text to be typed or alphanumeric keys to be pressed are in quotes. Do not
   type the quotes unless specifically instructed. 

  Screen displays are indented on a line by themselves or shown within
   quotes. All screen displays are shown as they appear on the normal
   unenlarged screen.

  File names are italicized, in uppercase, and in bold. For example,
   FILENAME.TXT.


Customer Support

TeleSensory has a complete support system to resolve any problems you might
encounter with your PowerBraille. 

For technical assistance about installing or using the PowerBraille, call these
toll-free numbers: Customer Support Department at 1-800-286-8484 and ask
for Technical Support (from North America only). If you are calling from
outside North America, call 1-415-960-0920.
                                              Chapter 1: PowerBraille 40


Contents of the PowerBraille 40 Package

Your PB40 package should contain:

  The PB40 refreshable braille hardware unit with Velcro strips to hold a
   laptop computer or a keyboard in place 

  AC power adapter

  Interface cables:

   -  Parallel cable (25-pin, straight-through connection)

   -  Serial cable (9-pin at both ends, straight-through connection)

   -  Keyboard extension cable

  Rubber pad

  ScreenPower Braille or ScreenPower Integrated software with manuals in
   braille, in print, and on disk. ScreenPower Integrated manuals are also
   available on tape.

  This PowerBraille User's Guide in braille, in print, and on disk.

If you are missing any of the items listed above or if your shipment appears
damaged in any way, call TeleSensory's Customer Service Department at 1-
800-286-8484. Outside North America, call 1-415-960-0920.


Hardware Description

The PB40 is 14 inches wide, 13 inches deep, and 1.5 inches tall (35.5 cm
wide, 33 cm deep, 3.8 cm tall). It weighs 5 pounds (2.25 kg).

To follow this description, place the PB40 on a flat surface with the braille
display facing upwards and the buttons facing towards you. We will be
exploring from right to left and from back to front as you face the front of the
PB40. 

   NOTE: The functions of many of these controls can be changed with
   ScreenPower software. For more information, see the ScreenPower
   software documentation and read the README.TXT file in the
   ScreenPower directory.

Rear panel ports and controls are located on the rear edge, facing away from
you.

     ON/OFF - the on/off switch. Push the right side to turn on the PB40
      and push the left side to turn off the PB40. You should turn on the
      PB40 either before or at the same time as your computer. This enables
      the PB40 to communicate with software loaded in the computer's
      AUTOEXEC.BAT file. When you turn on the PB40, it displays its
      name, the version number, and the battery life used.

     DC IN - a 2.5 mm jack, with center pin positive. Plug the cord from
      the AC power adapter into the DC IN jack.

     DTE - a 9-pin male serial port. If you are using a BrailleMate
      (TeleSensory's notetaking device) or a second computer, plug the serial
      cable into the DTE jack. The baud rate is 4800 bps.

         NOTE: You can change the baud rate of PB40's DTE port to 9600
         baud for the current working session. To change the baud rate,
         press and hold down CURSOR ROUTING BUTTON 40 (the last
         cursor routing button) while turning on the unit.

         The unit stays at 9600 bps for the current working session only.
         The next time you turn on the PB40, the baud rate for the DTE
         port will again be 4800 bps.

     PASSTHROUGH - a 25-pin female parallel port. Use this port to
      connect a printer if the PB40 and the printer share a single parallel port
      on the computer.

     PARALLEL - a 25-pin male parallel port. Use this port to connect
      your PB40 to the computer's parallel port if all the computer's serial
      ports are already used by other devices. If the PB40 shares one of the
      computer's parallel ports with a printer, the communication between
      the PB40 and the computer may be slower than expected.

     DCE - a 9-pin female serial port. Use this port to connect your PB40
      to the computer's serial port. The default baud rate is 9600 bps, which
      cannot be changed. This is the preferred port for connecting the PB40
      to your computer.

Top surface controls are located on the top of the PB40, near the front.

     The only controls on the top of the PB40 are near the front of the unit.
      The large flat area on top of the unit has two Velcro strips. Use the
      Velcro strips to hold a notebook computer or PC keyboard securely to
      the top of the PB40. With this arrangement it is convenient to move
      your hands between typing on a keyboard and reading the braille
      display. 

     Near the front of the top surface is a slightly raised ridge. 

     Directly in front of this ridge and behind the braille cells are the
      CURSOR ROUTING BUTTONS. These tiny buttons are used to move
      the computer's cursor directly to a particular location on the screen.

     In front of the CURSOR ROUTING BUTTONS is the 40-cell braille
      display. 

         NOTE: Your PB40 goes into "sleep mode" to conserve energy
         whenever you are not using it. After 4 minutes of inactivity, the
         braille characters fade away temporarily. As soon as you press any
         key, the cells go back to their "awake" position. The key that you
         press to awaken the display does not have any effect on the
         computer. It just wakes up the cells. You must press the key again
         to perform the key's function.

     Directly in front of the cells is a tactile ruler with indicator dots below
      each braille cell.

     Near each end of the braille display and slightly to the rear is a small
      square button. The DISPLAY BACKWARD BUTTON is to the left
      and the DISPLAY FORWARD BUTTON is to the right. They move
      the braille display backward and forward through the computer screen.
      The buttons do not change the cursor position.

Front panel controls are located on the front edge, facing you.

     At the far left of the front panel is the LEFT ROCKER. Pressing it up
      moves the system cursor up and pressing it down moves the system
      cursor down. When linked to the system cursor, the braille display
      moves with the cursor.

     In the middle of the front panel are two buttons. The CONVEX
      BUTTON is toward the left and the CONCAVE BUTTON is toward
      the right. When using ScreenPower, the CONVEX BUTTON is used
      as the computer's ENTER key when in DOS applications. The
      CONCAVE BUTTON is used as the Link/Unlink key when in DOS
      applications. For information about linking the system cursor and the
      braille display, see your ScreenPower software documentation.

     At the far right of the front panel is the RIGHT ROCKER. Pressing it
      up moves the braille display up on the screen and pressing it down
      moves the braille display down. The system cursor is not affected.

Bottom surface has a battery access panel and the product label, which contains
the serial number in both print and braille and an FCC statement.

Right side has no controls.

Left side has no controls.


PowerBraille 40 Hardware Setup

This section provides instructions for setting up the PB40 refreshable braille
display.

1. Attach the AC power adapter's small cable to the PB40's DC IN port,
   which is near the right side of the back panel as you face the front of the
   PB40. Plug the AC power adapter into a wall outlet or power strip.

2. Connect the parallel or serial cable to the back of the PB40.

     Serial connection to your computer: Connect the male end of the 9-
      pin serial cable to your PB40's DCE port. Connect the other end of the
      cable to your computer's COM1 or COM2 serial port. 

         NOTE: You can use ScreenPower's installation program to
         automatically detect the serial port or you can specify the port
         during software installation.

     Serial connection to TeleSensory's BrailleMate portable braille
      notetaker: Plug the 9-pin connector on the BrailleMate's Y-cable into
      the PB40's DTE port.

     Parallel connection to your computer: Connect the female end of the
      parallel cable to your PB40's PARALLEL port. Connect the other end
      of the parallel cable to your computer's LPT1 or LPT2 parallel port. 

         NOTE: You can use ScreenPower's installation program to
         automatically detect the parallel port or you can specify the port
         during software installation.

         NOTE: If you want the PB40 to share the computer's PARALLEL
         port with your printer, connect the printer cable to the PRINTER
         port on the back of the PB40. If you are using ScreenPower, the
         software installation program will ask if you are using this feature.

3. For your convenience while using the PB40, place your laptop computer or
   desktop computer keyboard on the PB40 directly behind the braille display.
   Use the enclosed Velcro strips to make a secure attachment. Be sure that
   the rest of your computer system is completely set up, with all components
   connected and verified to be working properly. 

Removing and Charging the Battery

It should not be necessary to remove the PB40 internal batteries. The NiCad
(nickel-cadmium) batteries automatically charge whenever the AC power
adapter is plugged in and the unit is turned off. The AC power adapter goes
from no charge to fully charged in less than 7 hours.

You do not need to remove the NiCad batteries to charge them. These batteries
charge automatically while PB40 is off and the AC power adapter is plugged
into an outlet. 

The braille display shows the power usage while the PB40 is charging. The
numbers count down to zero (in hours, minutes, and seconds). When the
numbers reach zero, the unit is fully charged.

If you ever do need to remove the batteries because they are not taking or
holding the charge, follow the instructions below.

1. Be sure PowerBraille is off and the power cord is not connected.

2. Turn the unit upside down.

3. The batteries are housed inside a rectangular plate on the bottom of the
   unit. Remove the two Phillips-head screws that secure the plate.

4. Gently lift the plate out from the PB40 unit. The battery pack is attached to
   the underside of the plate, in a protective sleeve. DO NOT REMOVE OR
   DISCONNECT THE TWO WIRES THAT GO FROM THE
   BATTERY PACK TO THE INSIDE OF THE UNIT.

5. Remove the batteries from the sleeve. The embossed icons on the inside of
   the plastic sleeve indicate the correct battery orientation.

6. Replace the batteries with C-size NiCad batteries. Orient each battery
   according to the icons in the plastic sleeve and secure the panel in place
   with the screws. If you have new NiCad batteries, allow them time to fully
   charge. 

   WARNING!!   In an emergency, you can use four 1.5V C-size
   alkaline batteries to supply power to your PowerBraille. NEVER plug
   in the AC power adapter while using alkaline batteries in the PB40.
   This will cause PowerBraille to overheat and severely damage its
   internal circuitry and void your warranty!! Replace them with NiCad
   batteries before plugging in the AC adapter.                                        Chapter 2: PowerBraille 65 and 80


The PowerBraille 65 (PB65) and the PowerBraille 80 (PB80) are identical
except that the PB65 has sixteen fewer braille cells than the PB80 (the PB80
actually has 81 cells). The PB65 can be upgraded to a PB80.


Contents of the PowerBraille 65 and PowerBraille 80 Packages

Your PB65 or PB80 package should contain:

  The PB65 or PB80 refreshable braille hardware unit 

  AC power adapter 

  Interface cables:

   -  Parallel cable (25-pin, straight-through connection)

   -  Serial cable (9-pin at both ends, straight-through connection)

   -  Keyboard extension cable

  ScreenPower Braille or ScreenPower Integrated software with manuals in
   braille, in print, and on disk. ScreenPower Integrated manuals are also
   available on tape.

  This PowerBraille User's Guide in braille, in print, and on disk. 

If you are missing any of the items listed above or if your shipment appears
damaged in any way, call TeleSensory's Customer Service Department at
1-800-286-8484. Outside North America, call 1-415-960-0920.


Hardware Description

The PB65 and PB80 are the same size: 24 inches wide, 11.5 inches deep, and
1.5 inches tall (61 cm wide, 29 cm deep, 3.8 cm tall). It weighs 10 pounds
(4.5 kg).

   NOTE: The functions of many of these controls can be changed with
   ScreenPower software. For more information, see the ScreenPower
   software documentation and read the README.TXT file in the
   ScreenPower directory.

To follow this description, place the PB65 or PB80 on a flat surface with the
display facing upwards and the buttons facing towards you. 

Rear panel ports and controls are located on the rear edge, facing away from
you.

     PWR - the on/off switch. Push the right side to turn on the P65 and
      PB80 and push the left side to turn it off. You should turn on the PB65
      or PB80 either before or at the same time as your computer. This
      enables the units to communicate with software loaded in the
      computer's AUTOEXEC.BAT file. Whenever you turn on the
      PowerBraille, it displays its name and version number.

     DC IN - a 2.5 mm jack, with center pin positive. Plug the cord from
      the AC power adapter into the DC IN jack.

     SPEAKER OUT - If you are using a speech synthesizer, you can plug
      the synthesizer's speaker cable into the SPEAKER OUT jack.

     SPEAKER B IN - If you are using a speech synthesizer, you can plug
      computer's speaker cable into the SPEAKER B IN jack.

     SPEAKER A IN - If you are using two speech synthesizers or have
      synthesizers on two computers, you can plug the second synthesizer's
      speaker cable into the SPEAKER A IN jack.

     KEYBOARD B IN - Plug the keyboard extension cable from the
      computer into the KEYBOARD B IN jack.

     KEYBOARD B OUT - Plug the keyboard cable into the KEYBOARD
      B OUT jack. 

     SERIAL B - a 9-pin male DTE serial port. If you are using a
      BrailleMate (TeleSensory's notetaking device) or a second computer,
      plug the serial cable into the SERIAL B jack. The baud rate is 4800
      bps.

         NOTE: You can change the baud rate of the PB65 and PB80's
         SERIAL B port to 9600 baud for the current working session only.
         To change the baud rate, press and hold down CURSOR
         ROUTING BUTTON 65 on the PB65 or CURSOR ROUTING
         BUTTON 81 (the PB80 really has 81 cells) on the PB80 while
         turning on the unit. In either case, it is the rightmost CURSOR
         ROUTING BUTTON. 

         The unit stays at 9600 bps for the current working session only.
         The next time you turn on the PB65 or PB80, the baud rate for the
         SERIAL B port will again be 4800 bps.

    PRINTER - a 25-pin female parallel port. Use this port to connect a
      printer if the PB65 or PB80 and the printer share a single parallel port
      on the computer.

     PARALLEL - a 25-pin male parallel port. Use this port to connect
      your PB65 or PB80's parallel cable to the computer's parallel port if
      all the computer's serial ports are already used by other devices.
      Because the PB65 or PB80 can share one of the computer's parallel
      ports with a printer, the communication between the PB65 or PB80 and
      the computer may be slower than expected.

     SERIAL A - a 9-pin female DCE serial port. Use this port to connect
      your PB65 or PB80 to the computer's serial port. The default baud rate
      is 9600 bps, which cannot be changed. This is the preferred port for
      connecting the PB65 or PB80 to your computer.

     KEYBOARD A IN - Plug the keyboard extension cable from the
      computer into the KEYBOARD B IN jack.

     KEYBOARD A OUT - Plug the keyboard cable into the KEYBOARD
      A OUT jack. 

Top surface controls are located on the top of the PB65 and PB80, near the
front.

     The only controls on the top of the PB65 and PB80 are near the front
      of the unit. A recessed rubber pad covers the rear portion of the top.
      The rubber pad prevents a notebook computer or computer keyboard
      on top of the PB65 or PB80 from sliding. With this arrangement it is
      convenient to move your hands between typing on a keyboard and
      reading the braille display.

     Near the front of the top surface is a slightly raised ridge. 

     Directly in front of the ridge are the four BARS used to move the
      display. BAR 1 is the leftmost and BAR 4 is the rightmost. When used
      with ScreenPower, BAR 1 moves the display backward, while BARS
      2, 3, and 4 all move the display forward.

     To the left and to the right of the BARS are a pair of CURSOR
      BUTTONS. When used with ScreenPower, each pair includes a LEFT
      CURSOR BUTTON and a RIGHT CURSOR BUTTON. These buttons
      move the application program's cursor.

     In front of the bars and behind the braille cells are the CURSOR
      ROUTING BUTTONS. These tiny buttons are used to move your
      computer's cursor directly to a particular location on the screen.

    Near the front is the 65-cell or 81-cell braille display. The only
      difference between the PB65 and the PB80 is the number of cells.

         NOTE: Your PB65 or PB80 goes into "sleep mode" to conserve
         energy whenever you are not using it. After 4 minutes of
         inactivity, the braille characters fade away temporarily. As soon as
         you press any key, the cells go back to their "awake" position. The
         key that you press to awaken them does not have any effect on the
         computer. It just wakes up the cells. You must press the key again
         to perform the key's function.

     In front of the braille display is a tactile ruler with indicator dots below
      each braille cell. 

Front panel controls are located on the front edge, facing you.

     At the far left of the front panel is SWITCH 1. Pressing it up selects 6-
      dot braille; pressing it down selects 8-dot braille. 

     To the right of SWITCH 1 is SWITCH 2. As you are reading text,
      press the switch up to show the attribute codes, then press it down to
      return to reading text. Each text character on the display is replaced by
      a character that represents its attribute. For information about the
      attribute codes, see the ScreenPower software documentation. 

     To the right is the LEFT ROCKER. Pressing it up moves the system
      cursor up and pressing it down moves the system cursor down. When
      linked to the system cursor, the braille display moves with the
      cursor.

     In the middle of the front panel are two buttons. The CONVEX
      BUTTON is toward the left and the CONCAVE BUTTON is toward
      the right. When using ScreenPower, the CONVEX BUTTON is used
      as the computer's ENTER key when in DOS applications. The
      CONCAVE BUTTON is used as the Link/Unlink key when in DOS
      applications. For information about linking the system cursor and the
      braille display, see your ScreenPower software documentation.

     To the right is the RIGHT ROCKER. Pressing it up moves the braille
      display up on the screen and pressing it down moves the braille
      display down. The computer's system cursor is not affected.

    To the right is SWITCH 3. The braille display can be used to represent
      text from 2 different sources or two different parts of the screen; for
      example, text from BrailleMate in one part and from the computer in
      the other part. Pressing the switch up enables the split display and
      pressing it down disables the split display. If you are using
      ScreenPower, the number of cells allocated to each part is determined
      by ScreenPower. 

     At the far right of the front panel is SWITCH 4. When using the split
      display feature, pressing the switch up designates the left part of the
      braille display as active and pressing the switch down designates the
      right part of the braille display as active.

         NOTE: When SWITCH 2 is set to show attributes, the active
         display shows text while the inactive display shows the attributes.

Bottom surface has a product label that contains the serial number in both print
and braille and an FCC statement. 

Right side has a headset jack.

Left side has no controls.


PowerBraille 65 and PowerBraille 80 Hardware Setup

This section provides instructions for setting up the PB65 and PB80.

1. Attach the AC power adapter's small cable to the PB65 or PB80's DC IN
   port, which is near the right side of the back panel as you face the front of
   the unit. Plug the AC power adapter into a wall outlet or power strip.

2. Connect the parallel or serial cable to the back of the PB65 or PB80.

     Serial connection to your computer: Connect the male end of the 9-
      pin serial cable to your PB65 or PB80's SERIAL A port. Connect the
      other end of the cable to your computer's COM1 or COM2 serial port.

         NOTE: You can use ScreenPower's installation program to
         automatically detect the serial port or you can specify the port
         during software installation.

     Serial connection to TeleSensory's BrailleMate portable braille
      notetaker: Plug the 9-pin connector on the BrailleMate's Y-cable into
      the PB65 or PB80's SERIAL B port.

     Parallel connection to your computer: Connect the female end of the
      parallel cable to your PB65 or PB80's PARALLEL port. Connect the
      other end of the parallel cable to your computer's LPT1 or LPT2
      parallel port.

         NOTE: You can use ScreenPower's installation program to
         automatically detect the parallel port or you can specify the port
         during software installation.

         NOTE: If you want the PB65 or PB80 to share the computer's
         PARALLEL port with your printer, connect the printer cable to the
         PRINTER port on the back of the PB65 or PB80. If you are using
         ScreenPower, the software installation program will ask if you are
         using this feature.

3. For your convenience while using your PB65 or PB80, place your laptop
   computer or desktop computer keyboard on the PB65 or PB80 directly
   behind the braille display. The rubber inset keeps it from sliding. Be sure
   that the rest of your computer system is completely set up, with all
   components connected and verified to be working properly.


                                             Appendix A: Troubleshooting


1. Braille does not appear on the display.

     The PowerBraille might be in sleep mode. Press one of the front panel
      controls once; for example, press the RIGHT ROCKER (which moves
      the braille display) once.

     The PowerBraille might be turned off. Ensure that the power switch is
      turned on.

     The PB65 or PB80 (or PB40 if not running on battery) AC power
      adapter might not be connected properly. Check the AC power adapter
      connections.

     The PB40 might not be adequately charged. If you are running on
      battery power, ensure that the batteries are adequately charged.

     If you have changed the batteries in the PB40, they might not be
      correctly installed. Check that the batteries are aligned in the proper
      direction.

2. Name and version message on the braille display does not change. 

     The PB40 might be turned off even though the AC power adapter is
      plugged in. Turn on the PB40.

     Access software might not be running. Run ScreenPower or Gateway
      software on the computer.

     Cabling might have come loose or it might be the wrong cable or the
      cable might be connected to a wrong port. Check the cables and
      connections between the PowerBraille and the computer.  

     The access software might be installed to communicate with the
      PowerBraille through the wrong port. 

      -  Reinstall ScreenPower and select "Auto-detect" for the braille
         display connection. This tells ScreenPower which port to use. 

      -  Reinstall ScreenPower and use ScreenPower Braille's SPBPORT
         or ScreenPower Integrated's SPIPORT utility to force
         ScreenPower to use the correct port.

      -  Gateway might be talking to the wrong port. If you are using
         COM2, add /COM2 as a parameter to the startup line.

    The port might not be working. 

      -  Connect the PowerBraille cable to a different port on the computer
         and reinstall ScreenPower so that it uses the correct port.

3. The panel keys do not work.

     Your PowerBraille unit might be connected to the same IRQ as another
      device. Move one of the devices to another IRQ. The most common
      culprits are a serial mouse on the same IRQ or TeleSensory's VISTA
      on IRQ7 (LPT1). Call TeleSensory technical support at
      1-800-286-8484.

4. Grade 2 braille does not appear on my display.

     The grade 2 translator and Screenpower have been run in the wrong
      order or the programs are not in the correct directories.

      -  Make sure that SP.BAT is in both the root directory and the
         ScreenPower Integrated or ScreenPower Braille directory. 

      -  Reinstall ScreenPower and select the Grade 2 option.

      -  Reboot the computer, run SPVIEW2.EXE (TeleSensory's on-line
         Grade 2 braille translator) BEFORE ScreenPower, and run
         ScreenPower again.

     You might have run Gateway and VIEW2.EXE in the wrong order.
      Run VIEW2.EXE after running Gateway.

     You might be using SPVIEW2.EXE with Gateway or VIEW2.EXE
      with ScreenPower. Run the correct software in the correct order. 

5. The braille doesn't follow what I'm typing.

     The cursor has become unlinked from the display. Link the cursor to
      the display using the CONCAVE BUTTON key. 
                                                  Appendix B: Self-Tests


The PowerBraille has several power-on self-tests. You might be asked to run
these self-tests on your PowerBraille before sending it in for service.

Braille Cells Test

To test PowerBraille's braille cells, hold the LEFT ROCKER up while you
turn the power switch to the ON position. The unit will display the "braille
display test" message.

The braille cells will all go up and down eight times. The first time they will
end with all cells up. The next time they will end with all cells down. 

To end the test, turn the unit off. 


Keypad Test

To test PowerBraille's panel keys, press and hold the CONCAVE BUTTON
while you turn the power switch to the ON position. The unit will display the
"keypad test mode" message. 

Within 25 seconds, press each panel key once (press the ROCKERS both up
and down). If they are all working properly, the unit will display the "keypad
test ok" message. 

If you press more than one key at a time, PowerBraille will display the
"keypad test error" message. If you do not press all the keys within 25
seconds, PowerBraille will display the "keypad test time out" message. This is
also the message you will get if one of the keys is bad.

To end the test, turn the unit off. 


CURSOR ROUTING BUTTON Test

NOTE: The CURSOR ROUTING BUTTONS are the raised tactile dots above
each braille cell. 

To test PowerBraille's CURSOR ROUTING BUTTONS, press and hold the
RIGHT ROCKER down while you turn the power switch to the ON position.
The unit will display the "sensor switch test" message.

Wait until all the pins on all cells are down. Then press each CURSOR
ROUTING BUTTON, one at a time. It doesn't matter in what order you press
the CURSOR ROUTING BUTTONS, but you must press them all within about
15 seconds. As you press each CURSOR ROUTING BUTTON, all eight dots
will come up in the cell. When you press the last CURSOR ROUTING
BUTTON, the unit will display the "sensor switch test ok" message and all
dots will go down.                                         Appendix C: Warranty Information


This assistive device is warranted to be specifically fit for the particular needs
of you, the buyer. If the device is not specifically fit for your particular needs,
it may be returned to the seller within thirty days of the date of actual receipt
by you or completion of fitting by the seller, whichever occurs later. If you
return the device, the seller will either adjust or replace the device or promptly
refund the total amount paid. This warranty does affect the protections and
remedies you have under other laws.


Software Warranty

This program and all related materials are provided to you in an "AS IS"
condition, without warranty of any kind, either express or implied, including
but not limited to implied warranties of merchantability and fitness of a
particular purpose. The entire risk as to the quality of performance of the
program and all related materials is assumed by you. IN NO EVENT SHALL
TELESENSORY BE LIABLE FOR ANY LOSS OF PROFIT OR ANY
OTHER COMMERCIAL, INCLUDING BUT NOT LIMITED TO SPECIAL,
INCIDENTAL, CONSEQUENTIAL, OR OTHER DAMAGES.


Limited One Year Warranty on Hardware

TeleSensory warrants the hardware to be free from defects in material and
workmanship, under normal and proper use, for a period of one year from the
date of shipment by TeleSensory. The liability of TeleSensory under this
warranty is limited to the obligation to repair, or at its sole option, to replace
without charge and with reasonable promptness, such defective product. This
warranty applies only to hardware.

Repair and replacement of hardware shall be undertaken at TeleSensory's
facility at 455 North Bernardo Avenue, Mountain View, California, 94043 or
such other location as TeleSensory may designate from time to time. The
purchaser shall be responsible for all shipping charges in connection with
warranty service. This warranty shall be void if any defect or damage arises
from causes beyond the control of TeleSensory such as fire, accident, neglect,
abuse, acts of God, or environmental or electrical stress. This warranty shall
be void as to any product which has been tampered with or altered or which
has been repaired or attempted to be repaired by those other than TeleSensory
factory authorized service personnel.

IN NO EVENT SHALL TELESENSORY BE LIABLE FOR ANY
CONSEQUENTIAL OR INCIDENTAL OR SPECIAL DAMAGES. AS SET
FORTH ABOVE, TELESENSORY MAKES NO WARRANTIES, EXPRESS
OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR PURPOSE.


Disk Replacement Policy

TeleSensory warrants the magnetic media on which the software is supplied to
be free of defects in material and workmanship under normal use for a period
of 90 days from date of purchase. If, during this 90-day period, the disk
becomes defective, it may be returned to TeleSensory for a free replacement.
For fastest service, please call or write for prior authorization. Your sole and
exclusive remedy if the disk becomes defective is limited to replacement of the
disk as stated herein.



                                         PowerBraille
                              User's Guide
Copyright  1995 by TeleSensory Corporation. This manual and the software described in it
are copyrighted with all rights reserved worldwide. No part of this manual or the software
may be copied without written consent from  TeleSensory Corporation. All brand and product
names are trademarks or registered trademarks of their respective holders. 

TeleSensory License Agreement

TeleSensory Corporation (TeleSensory) retains the ownership of the enclosed software
programs. These programs are licensed to you for use under the following conditions:

You May:       Use the software in either or both 3.5" or 5.25" media, provided you use
               the software on only one computer at a time.

               Permanently transfer the software to another user if you transfer the
               documentation and all disks and the other user agrees to the terms and
               conditions of this agreement.

You May Not:      Make copies of the documentation or program disks, except as
                  described in the documentation and for archival purposes.

               Loan, rent, sub-license, or otherwise transfer the software (in either
               media) or the documentation, except as provided above.

               Alter, modify, or adapt the software or documentation, including, but not
               limited to, translating, decompiling, or disassembling.

This license and your right to use the software automatically terminate if you fail to comply
with any provision of this license agreement. Upon termination, you will destroy all
documentation and disks.

Federal Communication Commission Radio Frequency Interference Statement

This equipment generates and uses radio frequency energy and if not installed and used
properly, that is, in strict accordance with the manufacturer's instructions, may cause
interference to radio and television reception. Any unauthorized modification to this
equipment could result in the revocation of your authority to operate the equipment.

It has been type tested and found to comply with the limits for a Class B computing device in
accordance with the specifications in Subpart J of Part 15 of FCC Rules, which are designed
to provide reasonable protection against such interference in a residential installation.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

   Reorient the receiving antenna
   Relocate the computer with respect to the receiver
   Move the computer away from the receiver
   Plug the computer into a different outlet so that computer and receiver are on
   different branch circuits.

If necessary, the user should consult the dealer or an experienced radio/television technician
for additional suggestions. The user may find the following booklet prepared by the Federal
Communications Commission helpful: "How to Identify and Resolve Radio-TV Interference
Problems." This book is available from the U.S. Government Printing Office, Washington,
D.C. 20402, Stock No. 004-000-00345-4.

This product was tested for FCC compliance under conditions that included the use of
shielded cables and connectors between system components. It is important that you use
shielded cables and connectors to reduce the possibility of causing interference to radios,
television sets, and other electronic devices. You can obtain the proper shielded cables from
TeleSensory Corporation.








455 North Bernardo Avenue, P.O. Box 7455, Mountain View, CA 94039-7455
Telephone: 415-960-0920, Telex: 278838 TSI UR, Fax: 415-969-9064
Toll free in U.S.: 1-800-286-8484 
Technical Support Fax: 1-415-960-0464

Print Manual Part Number: PG17400A 07/95
Braille Manual Part Number: PG17401A 07/95