LightSpeed Technologies CAT 860 Stereo System User Manual


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1. Overview 2. Setup & Use
3. Optional
Accessories
4. Troubleshooting
5. Warranty, Safety
& Specifications
1. Overview 2. Setup & Use
3. Optional
Accessories
4. Troubleshooting
5. Warranty, Safety
& Specifications
14. RS-232 SERIAL INTERFACE
COMMAND DEFINITION CONT’D
<CMD>
Symbol
Hex
Value
<Param> Value Definition
QMMI? 0xEF Command Packet:
The controller sends no
<Param> character in the
command packet.
This command causes the
CAT 860 to return a query
response packet where the
added imbedded <Param>
character contains the mute
state for the microphone
audio inputs.
Response Packet:
If the command is properly
received, the CAT 860
responds by repeating
back the command packet
with an added imbedded
<Param> character
containing the value 0x80 if
the state is “un-muted” and
0x81 if the state is “muted”.
The possible values are
shown below:
0x80 = Un-muted
0x81 = Muted
If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character.
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
15. QUERY MUTE FOR MICROPHONE AUDIO INPUTS COMMAND
14. RS-232 SERIAL INTERFACE
COMMAND DEFINITION CONT’D
<CMD>
Symbol
Hex
Value
<Param> Value Definition
QMAV? 0xEE Command Packet:
The controller sends no
<Param> character in the
command packet.
This command causes the
CAT 860 to return a query
response packet where the
added imbedded <Param>
character contains the mute
state for the audio/video
sources.
Response Packet:
If the command is properly
received, the CAT 860
responds by repeating
back the command packet
with an added imbedded
<Param> character
containing the value 0x80 if
the state is “un-muted” and
0x81 if the state is “muted”.
The possible values are
shown below:
0x80 = Un-muted
0x81 = Muted
If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character.
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
14. QUERY MUTE FOR AUDIO/VIDEO SOURCE COMMAND
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