Cisco PrecisionHD 1080p 12X User Manual page 21

Cisco TelePresence PrecisionHD Camera
Contents Introduction
The VISCA™/RS–232 control protocol, cont...
Network and interface commands
Command set Command
packet
IF_Clear 8x 01 00 01 ff
Address_Set 8x 30 0p ff
*
Command_Cancel 8x 2p ff
Push messages
Messages sent from camera to controller.
Command set Command packet
Network_Change y0 38 ff
IR_Push y0 07 7d 02 gg hh ff
D14640.04 PrecisionHD 1080p-720p Camera User Guide
© 2010-2011 Cisco Systems, Inc. All rights reserved.
The physical interface
Comments
Clear command buffer. Stop any current
operation in progress.
p = address for this device. If x=8
(broadcast), increase p with 1 before
sending to chain.
p = Socket ID. PrecisionHD 1080p 12X does
not support multiple sockets. Commands will
always run to completion. Don't use it.
Reply and comments
This indicates that cameras have been
added to or removed from the chain.
It is recommended to wait 9 seconds after
receiving this message before doing a full
reconfigure.
If IR mode is on, IR codes received by the
camera will be sent to the controller.
gg = IR ID
hh = keycode
, July 2011
.
Connecting the camera Video output formats
INFO: Some VISCA™ commands do not apply to the PrecisionHD 1080p 4X camera.
Camera commands
Command
Power_On
Power_Off
Video_Format
WB_Auto
WB_Table_Manual
WB_Table_Direct
AE_Auto
AE_Manual
Iris_Direct
Gain_Direct
Backlight_On
Backlight_Off
*
Do not apply to PrecisionHD 4X camera
21
PrecisionHD Camera User guide
Daisy chaning
Command Packet
8x 01 04 00 02 ff Power control. This command
stores the zoom and focus value
8x 01 04 00 03 ff
and reset these motors.
Used for PrecisionHD 720p if the
camera was on for a long time.
Puts the PrecisionHD 1080p
camera in standby position.
8x 01 35 0p 0q 0r ff Selects video format.
p = reserved
q = video mode. See the video
format table:
selection.
r = Used in PrecisionHD 720p
camera. Can be recycled.
8x 01 04 35 00 ff WB: White Balance
8x 01 04 35 06 ff
8x 01 04 75 0p 0q 0r Used if WBmode = Table manual
0s ff pqrs = wb table.
8x 01 04 39 00 ff AE: Automatic Exposure.
8x 01 04 39 03 ff
8x 01 04 4B 0p 0q 0r Used if AE mode = Manual. pqrs:
0s ff Iris position, range 0..50
8x 01 04 4c 0p 0q 0r Used if AE mode = Manual. pqrs:
0s ff Gain position, values:12-21dB.
8x 01 04 33 02 ff BacklightCompensation mode
8x 01 04 33 03 ff
Appendices Appendices
Comments
Video mode
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