LightSpeed Technologies CAT 860 User Manual download pdf (Page 26)

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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

14. RS-232 SERIAL INTERFACE

COMMAND DEFINITION CONT’D

<CMD>

Symbol

Hex

Value

<Param> Value Deﬁnition

AICH? 0x91 Command Packet:

The controller sends no

<Param> character in the

command packet.

This command causes the

CAT 860 to return a query

response packet where

the <Param> contains the

selection status set by AICH

(<0x90>).

If the command is not

received properly, the CAT

860 responds by sending a

<NACK> character.

Response Packet:

The CAT 860 sends only

one <Param> character in

the response packet. The

possible values are shown

below:

0x80 = TV/VCR

0x81 = CD/DVD

0x82 = COMPUTER

0x83 = AUX IN

0x84 = IR Channel A

0x85 = IR Channel B

0x86 = AUX OUT

ADVANCED COMMAND SET FOR AUDIO MIXER OPERATIONS CONT’D

Audio Input Functions for the A/V Source Group Cont’d

2. QUERY SELECTED AUDIO INPUT COMMAND

14. RS-232 SERIAL INTERFACE

COMMAND DEFINITION CONT’D

Deﬁnition

This command determines which volume-level will be affected by the AIDI

(<0x92>), AIDD (<0x93>), and AIAV (<0x94>) commands.

If the command is properly received, the CAT 860 responds by repeating back

the command packet where the <Param> character contains the selection status.

If the command is not received properly, the CAT 860 responds by sending a

<NACK> character.

Power up default is TV/VCR selected.

These items are included for controllers limited to only a single volume control,

the three parameters on the left allow the AIDI (<92>), AIDD (<93>), AIAV, (<94>)

and AIAV? (<95>) commands to have the same capabilities as the AODI (<A2>),

AODD (<A3>), AOAV (<A4>), AOAV? (<A5>), IIDI (<B2>), IIDD (<B3>), IIAV

(<B4>), and IIAV? (<B5>) commands.

That is, multiple commands will be able to independently affect the values of

the same volume-level EEPROM variables which correspond to the IR CH-A, the

IR CH-B, and the AUX OUT. This is true even if the two commands have been

directed to the same volume-level EEPROM variable. In this case the EEPROM

variable retains the value from the last command issued from the serial controller.

<CMD>

Symbol

Hex

Value

<Param> Value Deﬁnition

AICH p 0x90 Command Packet:

The controller sends only

one <Param> character in

the command packet. The

possible values are shown

below:

0x80 = TV/VCR**

0x81 = CD/DVD

0x82 = COMPUTER

0x83 = AUX IN

0x84 = IR Channel A

0x85 = IR Channel B

0x86 = AUX OUT

** Power up default

Response Packet:

The CAT 860 sends only

one <Param> character in

the response packet. The

possible values are shown

below:

0x80 = TV/VCR

0x81 = CD/DVD

0x82 = COMPUTER

0x83 = AUX IN

0x84 = IR Channel A

0x85 = IR Channel B

0x86 = AUX OUT

ADVANCED COMMAND SET FOR AUDIO MIXER OPERATIONS

Audio Input Functions for the A/V Source Group

1. SELECT AUDIO INPUT COMMAND

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LightSpeed Technologies CAT 860 User Manual Page 26

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