HP ep7122 HP ep7100 Series Home Cinema Digital Projector - User's Guide - Page 50

Room controller commands, Request, Notification

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Installing permanently ■ 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. Request: Notification: *RSRC=4 *RSRC=4 *SRC=0 *SRC=4 *BRT=60 *CSPC=? (acknowledges request) (projector is attempting to acquire source 4, and in the interim has no valid source) (source 4 is now active) (brightness has been modified for source 4) (color space is not supported for this input) 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. Source functions Command Parameters SRC ? RSRC 3,4,5,8,? NXT None Description Queries the current active input source: 0=no active source, 3=composite video, 4=S-video, 5=component video, 8=DVI. 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. Switches to the next input source. 50 User's Guide

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50
User’s Guide
Installing permanently
■
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<CR>
Notification:
*RSRC=4<CR><LF>
(acknowledges request)
*SRC=0<CR><LF>
(projector is attempting to acquire
source 4, and in the interim has no valid
source)
*SRC=4<CR><LF>
(source 4 is now active)
*BRT=60<CR><LF>
(brightness has been modified for
source 4)
*CSPC=?<CR><LF>
(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.