Rs-232 serial interface command definition – LightSpeed Technologies CAT 860 User Manual
Page 20

38
39
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
Symbol
Hex
Value
Value
Definition
IMAI
0xE3
Command Packet:
The controller sends no 
 character in the 
command packet. 
Increment the volume for 
microphone channel A 
and B audio by 2 dB. This 
overrides any previous mute 
commands.
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 loaded. 
If the command is not 
received properly, the CAT 
860 responds by sending a 
DMAI
0xE4
Command Packet:
The controller sends no 
 character in the 
command packet. 
Decrement the volume of 
the microphone channel A 
and B audio by 2 dB. This 
overrides any previous mute 
commands.
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 loaded. 
If the command is not 
received properly, the CAT 
860 responds by sending a 
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
4. INCREMENT MICROPHONE AUDIO INPUTS COMMAND
DECREMENT MICROPHONE AUDIO INPUTS COMMAND
14. RS-232 SERIAL INTERFACE 
COMMAND DEFINITION 
CONT’D
Symbol
Hex
Value
Value
Definition
DAVS
0xE2
Command Packet:
The controller sends no 
 character in the 
command packet. 
Decrement the volume of 
the selected audio input 
by 2 dB. This overrides any 
previous mute commands.
The remaining three 
unselected audio/video 
source inputs remain muted. 
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 loaded.
If the command is not 
received properly, the CAT 
860 responds by sending a 
BASIC COMMAND SET FOR AUDIO SWITCHER OPERATIONS CONT’D
Audio Input Functions for the A/V Source Group Cont’d
3. DECREMENT AUDIO/VIDEO SOURCES COMMAND
