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Page 6.13
Remote communications protocol
Introduction
The projector can be controlled by using an external control system or a PC via an
RS232 serial interface, using a terminal-emulation program, such as HyperTerminal.
There are 2 types of commands:
Key commands
Operation commands
All commands consist of ascii text strings starting with 2 letters:
ky for key commands.
op for operations commands.
All commands end with an ascii Carriage Return character.
Key Commands
Key commands are used to simulate remote control key presses, and use the
following format:
ky <keyname> [CR]
Example
ky pow.on [CR] simulates the POWER ON key being pressed.
The commands
Code transmitted <keyname> Description
0x01 pow.on
Turn power on.
0x09 pow.off
Turn power off.
0x15 menu
Bring up or cancel menu display.
0x17 enter
Keypad enter.
0x18 cur.down
Keypad down arrow.
0x1A cur.up
Keypad up arrow.
0x1D cur.left
Keypad left arrow.
0x1F cur.righ
Keypad right arrow.
0x80 bright
Bring up or cancel brightness slide bar.
0x81 contrast
Bring up or cancel contrast slide bar.
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Notes
Details of how to connect to
the projector, using the serial
control input, can be found
earlier in this section.
Note: in the example, spaces
are included for clarity, but are
not necessary in the actual
command.