LightSpeed Technologies CAT 860 - Manual (Page 22)

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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
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
9. TOGGLE MUTE FOR ENABLED AUDIO/VIDEO SOURCE COMMAND
Symbol
Hex
Value
Value Definition
TMAV 0xE9 Command Packet:
The controller sends no
character in the
command packet.
The Toggle Mute command
toggles between mute and
un-mute for the audio/video
source inputs.
When set to mute, the 860
Aux Audio Inputs are set to
-79dB.
When set to unmute, the
860 resets the previously
selected input to it’s
previous volume setting and
the remaining three Aux
Audio Inputs remain set at
-79dB.
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.
Symbol
Hex
Value
Value Definition
MMAI 0xE7 Command Packet:
The controller sends no
character in the
command packet.
The Mute microphone
volume command sets both
microphone channels (A &
B) to -79dB.
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
0x81 indicating that the
microphone audio inputs
are in the muted state.
If the command is not
received properly, the CAT
860 responds by sending a
character.
8. UN-MUTE MICROPHONE AUDIO INPUTS COMMAND
UMAI 0xE8 Command Packet:
The controller sends no
character in the
command packet.
Definition:
The un-mute microphone
volume command
reloads the previously set
microphone volume levels.
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 indicating that the
microphone audio inputs
are no longer in the muted
state.
If the command is not
received properly, the CAT
860 responds by sending a
character.
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
7. MUTE MICROPHONE AUDIO INPUTS COMMAND