SAM Driver for Alva Braille Terminals

This is a fully functional SAM driver for use with the Alva Braille Terminals series 3, 4 (Delphi) and Satellite series. This includes all the 20, 40, 44, 70, 80 and 84 cell models and includes the Traveller.

This driver uses the driver file ABTSER32.DLL and ABTUSB32.DLL supplied by Alva, the driver works in both Windows 95 and Windows NT.

The Alva Braille Terminal except for the satellite series, must be set to serial communications in order to use this driver. The satellite will be set to the correct port automatically. Consult the manual for details.

Please report any bugs to Dolphin. If it crashes please tell us the crash address and registers etc, from the crash message box, also report the driver version number (check with explorer - file properties).

Features
Automatic detection of Braille displays.

Restrictions
Only serial and USB communications are supported at the moment.

The speech synthesiser in the Alva Delphi series is not used.

Key assignments
The following lists the default keys to press for each Braille operation.
Your screen reader may not support some of these operations.
The key assignments are the same for all ALVA series except for the satellite.

The front keys for the ABT3 and Delphi series are labelled from left to right:
PROG, HOME, CURSOR, UP, LEFT, RIGHT, DOWN.
80 cell displays have an additional three keys, CURSOR2, HOME2 and PROG2. These function exactly the same as the keys on the left.

The ABT3 and delphi series have the following default assignments:
Move to top left of window: HOME
Move to bottom left of window: HOME + DOWN
Move to focus: CURSOR
Left edge of window: HOME + LEFT
Right edge of window: HOME + RIGHT
Move one line up: UP
Move one line down: DOWN
Move left one character: CURSOR + LEFT
Move right one character: CURSOR + RIGHT
Read backwards: key LEFT
Read forwards: key RIGHT
Switch to Attribute mode 1: PROG + HOME
Switch to Attribute mode 2: PROG + CURSOR
Switch to report mode: HOME + CURSOR
Make cursor route single click: PROG + LEFT
Make cursor route double click: PROG + UP
Make cursor route right click: PROG + RIGHT
Activate configuration dialog: PROG

The default front keys for the satellite series are labelled from left to right:
TUMBLER1, TUMBLER2, HOME, LEFT, UP, DOWN, RIGHT, CURSOR, TUMBLER3, TUMBLER4
TUMBLER keys are not available on the Satellite 544.
The satellite series have new satellite pads with additional 12 keys which are 

The left satellite pad is default labelled from left to right, up to down:
BACK EAR, NORTH PAD, WEST PAD, SOUTH PAD, EAST PAD, FORWARD EAR.

The right satellite pad is default labelled from left to right, up to down:
BACK TAB, UP PAD, LEFT PAD, DOWN PAD, RIGHT PAD, FORWARD TAB

The satellite series have the following default assignments:

Move display to top left of window area: HOME
Move display to bottom left of window area: HOME + DOWN
Move display to focus (or caret): CURSOR
Move display to left edge of window: HOME + LEFT
Move display to right edge of window: HOME + RIGHT
Move display one line up: UP
Move display one line down: DOWN
Move display one character left: CURSOR + LEFT
Move display one character right: CURSOR + RIGHT
Read backwards: key LEFT
Read forwards: key RIGHT
Move display one display width left: BACK TAB satellite
Move display one display width right: FORWARD TAB satellite
Move display one half width left: LEFT PAD satellite
Move display one half width right: RIGHT PAD satellite
Switch to Attribute mode 1: UP PAD satellite
Switch to Attribute mode 2: DOWN PAD satellite
Switch to status report mode: HOME + CURSOR


02/2001
