LightSpeed Technologies CAT 860 - Manual (Page 23)

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1. Overview
2. Setup & Use
3. Optional Accessories
4. T
roubleshooting
5. W
arranty
, Safety
& Specifications
1. Overview
2. Setup & Use
3. Optional Accessories
4. T
roubleshooting
5. W
arranty
, Safety
& Specifications
13. RS-232 SERIAL INTERFACE
PROGRAMMING
CONT’D
Symbol
Hex
Value
Value Definition
QEAV? 0xEB Command Packet:
The controller sends no
character in the
command packet.
This command causes the
CAT 860 to return a query
response packet where the
added character
contains the “enable” status
set by EAVS (<0xE0>).
Response Packet:
If the command is properly
received, the CAT 860
responds by repeating back
the command packet to the
serial controller with the
added character
containing the value
indicating the “enable”
status set by EAVS (<0xE0>).
The possible values are
shown below:
0x80 = TV/VCR Enabled
0x81 = CD/DVD Enabled
0x82 = COMPUTER Enabled
0x83 = AUX IN Enabled
If the command is not
received properly, the CAT
860 responds by sending a
character.
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
11. QUERY ENABLED AUDIO/VIDEO SOURCE COMMAND
14. RS-232 SERIAL INTERFACE
COMMAND DEFINITION
CONT’D
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
10. TOGGLE MUTE FOR MICROPHONE AUDIO INPUTS COMMAND
Symbol
Hex
Value
Value Definition
TMMI 0xEA Command Packet:
The controller sends no
character in the
command packet.
This command toggles
between mute and un-mute
for the microphone audio
inputs.
When set to mute, the 860
microphone Channel A & B
volumes are set to -79dB.
When set to unmute, the
860 resets the microphone
volumes to their previous
volume setting.
Response Packet:
If the command is properly
received, the CAT 860
responds by repeating
back the command packet
with an added imbedded
character
containing the value 0x80
if the resultant state is
“un-muted” and 0x81 if the
resultant state is “muted”.
If the command is not
received properly, the CAT
860 responds by sending a
character.