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

Page 20

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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

<CMD>

Symbol

Hex

Value

<Param> Value

Definition

IMAI

0xE3

Command Packet:

The controller sends no
<Param> 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
<Param> character
containing the value loaded.

If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character

DMAI

0xE4

Command Packet:

The controller sends no
<Param> 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
<Param> character
containing the value loaded.

If the command is not
received properly, the CAT
860 responds by sending a
<NACK> 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
4. INCREMENT MICROPHONE AUDIO INPUTS COMMAND

DECREMENT MICROPHONE AUDIO INPUTS COMMAND

14. RS-232 SERIAL INTERFACE
COMMAND DEFINITION

CONT’D

<CMD>

Symbol

Hex

Value

<Param> Value

Definition

DAVS

0xE2

Command Packet:

The controller sends no
<Param> 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
<Param> character
containing the value loaded.

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
3. DECREMENT AUDIO/VIDEO SOURCES COMMAND

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