Runco Q-750I Serial Communications, 6.1 RS-232Connection and Port Configuration, Key Commands

6. Serial Communications

To interface the Q-750i with a home theater automation/control system or a PC running terminal emulation software:

1.Connect it to your control system or PC as shown in Figure 3-11.

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 in Table 6-1or Table 6-2and press <Enter>. For example, to change the aspect ratio to Letterbox, type op aspect = 1<Enter>.

Serial commands to the Q-750i 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 Q-750i 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.

The syntax for key commands is simple:
ky <keyname>[CR]
Some key command examples:
ky menu[CR]	Bring up or cancel menu display.
ky mem.sw[CR]	Switch to next user memory.
ky asp.16.9[CR]	Apply 16:9 aspect ratio.

The response from the projector for key commands will be the same command in

UPPERCASE.

Input: ky mem.sw[CR]

Response: KY MEM.SW [CR]

6.1

RS-232 Connection and Port Configuration

6.2

Serial Command Syntax

Key Commands

Q-750i Series Installation/Operation Manual 73