LightSpeed Technologies CAT 860 user manual Mute Audio/Video Sources Command

Models: CAT 860

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5. MUTE AUDIO/VIDEO SOURCES COMMAND

5. Warranty, Safety

& Specifications

 

 

 

4. Troubleshooting

 

 

 

 

3. Optional

Accessories

 

 

2. Setup & Use

 

 

 

1. Overview

 

 

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

5. MUTE AUDIO/VIDEO SOURCES COMMAND

<CMD>

Hex

<Param> Value

Definition

Symbol

Value

 

 

 

 

 

 

MAVS

0xE5

Command Packet:

Mute all audio input volume

 

 

The controller sends no

by sending -79dB for each

 

 

input (TV/VCR, CD/DVD,

 

 

<Param> character in the

 

 

COMPUTER, and AUX).

 

 

command packet.

 

 

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 0x81

 

 

 

indicating that the A/V

 

 

 

audio sources are in the

 

 

 

muted state.

 

 

 

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

6. UN-MUTE ENABLED AUDIO/VIDEO SOURCE COMMAND

<CMD>

Hex

<Param> Value

Definition

Symbol

Value

 

 

 

 

 

 

UAVS

0xE6

Command Packet:

Un-mute audio volume for

 

 

The controller sends no

the audio input selected

 

 

by the most recent EAVS

 

 

<Param> character in the

 

 

(<0xE0>) command stored

 

 

command packet.

 

 

in EEPROM.

 

 

 

 

 

 

The remaining three

 

 

 

unselected audio/video

 

 

 

sources will remain muted.

 

 

 

None of the input volume-

 

 

 

level EEPROM variables are

 

 

 

modified.

 

 

 

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

 

 

 

indicating that the A/V

 

 

 

audio sources are no longer

 

 

 

in the muted state

 

 

 

If the command is not

 

 

 

received properly, the CAT

 

 

 

860 responds by sending a

 

 

 

<NACK> character.

 

 

 

 

5. Warranty, Safety

& Specifications

 

 

 

4. Troubleshooting

 

 

 

 

3. Optional

Accessories

 

 

 

2. Setup & Use

 

 

 

1. Overview

 

 

40

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Page 21
Image 21
LightSpeed Technologies CAT 860 user manual Mute Audio/Video Sources Command