LightSpeed Technologies CAT 860 User Manual download pdf (Page 20)

38 39

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

<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

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 44 45

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LightSpeed Technologies CAT 860 User Manual Page 20

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