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- Both the keyboard and the serial ports of the Inka should be connected in order
- to use it with BRLTTY. The Inka itself is capable of communicating entirely via
- the keyboard port, but the Linux kernel keyboard driver can't handle this.
-
- In order to use the Inka with BRLTTY it is necessary to have the latest version
- (dated 1998) of the firmware. If the Inka says either "mode 1" or "mode 2" at
- the end of the version number after it's connected to a computer and turned on
- then it has the necessary firmware. If it doesn't then it'll probably need an
- upgrade. To do this, contact Baum and give them the serial number of the Inka
- (which is printed on the under side of the device).
-
- The newer firmware supports two modes of operation. Mode 1 uses the old Inka
- protocol and transfers data at 57,600 baud with non-standard flow control. Mode
- 2 uses the new Inka protocol and transfers data at 19,200 baud with no flow
- control.
-
- The Inka defaults to mode 1. This is shown on the braille display when
- the Inka first initializes or after a soft reset.
-
- Before running BRLTTY, change the Inka to mode 2 by pressing tl1+tl2+tr3 (which
- is the digit 2 represented as a dot-six number). To return to mode 1 (neither
- necessary nor desirable under Linux), press tl1+tr3 (which is the digit 1
- represented as a dot-six number). The new mode setting is shown on the display
- at the end of the line, after the version number and date of the firmware.
-