
© EPRAD Incorporated
A.3 Christie
®
Digital Cinema Projectors
Configuration:
Use TCP port 5000 for communications.
In addition to user messages, the eCNA has built-in support for acquiring projector status. This
status is available to CAI clients. In order to get status,
Device Communications
and
Poll for Status
must be
Enabled
. The
Poll Interval
is the time interval in seconds that the projector is polled for
status. The range is 2 to 60 seconds. 10 seconds is the default. If status is not required for the
application, it is best that
Poll for Status
remain
Disabled
.
Command Messages:
This is a list of commonly used control commands. The user only needs to enter the ASCII function
code. The eCNA automatically inserts the start of message and end of message characters. A default
Christie configuration file is available from EPRAD.
Command Structure:
(1) Start of Message Character
Automatically inserted by eCNA, “(“
(2)
Function Code
Entered by user
(3) End of Message Character
Automatically inserted by eCNA, “)“
Christie
®
Projector Control Commands
Name
Description
Command Code
(2)
Projector On/Lamp Off
This command turns the projector On and the lamp Off
{PWR 0}
Projector On/Lamp On
This command turns the projector On and the lamp On
{PWR 1}
Projector Standby Mode
This command sets the projector to standby mode
{PWR 3}
Douser Open
This command opens the mechanical lens douser
{SHU 0}
Douser Close
This command closes the mechanical lens douser
{SHU 1}
Channel Set
This command sets the active channel. Where xx = 01 to 64
{CHA 1xx}
Christie projectors may support more control commands. If additional control is required, please
consult Christie projector documentation or call EPRAD.
155
eCNA-10 Operation and Installation Manual Version 1.270-00