40
H9090 Home Theater Projector - User Manual
Serial Communications
RS-232Connection and Port Configuration
To interface the H9090 with a home theater automation/control system or a PC running
terminal emulation software:
1. Connect it to your control system or PC.
2. Start a terminal session on your PC using a terminal-emulation program, such as
HyperTerminal.
3.
Configure the RS-232 controller or PC serial port as follows: 38400 bps, no parity, 8
data bits, 1 stop bit and no flow control.
4. Type ky or op followed by a command from among those listed and press <Enter>. For
example, to change the aspect ratio to Letterbox, type op aspect = 1<Enter>.
Serial Command Syntax
Serial commands to the H9090 take the following form:
•
Commands are in ASCII format.
•
Spaces and tabs can be used to improve readability and are ignored by the projector.
•
All commands must end with a carriage return (ASCII hex 0D) to signify that the
projector can now read and execute the command.
•
Commands are not case-sensitive.
The H9090 supports two types of commands: key commands and operation commands.
Key commands mimic pressing a button on the remote control. Operation commands tell
the projector exactly what to do.
All commands start with 2 letters:
ky
for key commands.
op
for operations commands.
Key Commands:
The syntax for key commands is simple
ky <keyname>[CR]
Some key command examples:
ky menu [CR]
Bring up or cancel menu display.
The response from the projector for key commands will be the same command in
UPPERCASE.
ky menu [CR]
KY MEMU[CR]
