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Room controller commands – HP ep7100 Series User Manual

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50

User’s Guide

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■ Invalid parameter—command with current value
■ Action command with unnecessary parameter—action command
■ Action command that is unavailable—action command
The following simplified example shows how the projector typically responds to
a request to change the active input source. Note that the three latter notifications
are delayed.

Room controller commands

In the following tables, if the parameter listing for a particular command is
“None,” that command requires no parameter. Some commands are valid only
when the projector is turned on, STAT=1. Some commands are available only
when specific input sources are active.

Request:

*RSRC=4

Notification:

*RSRC=4

(acknowledges request)

*SRC=0

(projector is attempting to acquire
source 4, and in the interim has no valid
source)

*SRC=4

(source 4 is now active)

*BRT=60

(brightness has been modified for
source 4)

*CSPC=?

(color space is not supported for this
input)

Source functions

Command

Parameters

Description

SRC

?

Queries the current active input source:
0=no active source, 3=composite video,
4=S-video, 5=component video, 8=DVI.

RSRC

3,4,5,8,?

Attempts to use the specified source as
the active input source, or queries the
last source requested: 3=composite
video, 4=S-video, 5=component video,
8=DVI.

NXT

None

Switches to the next input source.