Christie CP2000-X User Manual download pdf (Page 87)

BASIC OPERATION

CP2000-X User Manual 3-45

020-100031-01 Rev . 1 (03-2009)

Table 3.12. Sample Messages

Desired Action Message Description

Get current Chan# (CHA?) Request by controller for current channel #

Chan# reply from proj. (CHA!101) Reply from proj. that current channel is 101

Set Chan# (CHA 101) Switch to the first channel on the TPC

Get picture mute status (PMT?) Request by controller for picture mute status

Picture mute reply from proj. (PMT!000) Reply from proj. that picture is mute is off.

Set picture mute (PMT 1) Turn the picture mute on (blank the image)

Although you will send and read all messages as strings of ASCII characters, the

actual message travels as a sequence of bytes. Each character in a unicode message

requires 2 bytes, whereas the non-unicode requires only 1 byte. See example in

Figure 3.29 below, which illustrates a “picture mute is off” reply from the projector:

Figure 3.29. ASCII as Non-Unicode and Unicode

NOTE: Use of unicode or non-unicode in messages is auto-detected from the TPC.

All available ASCII message codes, including those with multiple parameters, are

listed and explained in Appendix B.

SETUP:

 In the Admin:General menu, define which users (all, none or some) have remote

access rights.

 Open an Ethernet socket to the TPC address (socket = 5000). By default, the TPC

address is 192.168.206.110

. If you have additional TPCs, the installer should

have defined their addresses as 192.168.206.111

, 192.168.206.112, and so on, or

used other addresses that are valid for your site.

 Communication protocol should now be established (and can be confirmed with

a PNG?, if desired).

NOTE: The socket will automatically close after 15 minutes of inactivity. Program

your controller to send a PNG? message every 5-10 minutes to maintain

communication and keep the socket functioning.

IMPORTANT: To prevent shutdown of the socket, program the controller to send a

PNG? every 5-10 minutes.

SHUTDOWN: You must close the application and shut down the socket properly

before shutting down the controller.

Sample Messages and 

Their Meanin

What is Actually Sent 

In a Messa

Available ASCII Codes 

Setu

and Shutdown 

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