LightSpeed Technologies CAT 860 user manual Query Mute For Audio/Video Source 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

14. QUERY MUTE FOR AUDIO/VIDEO SOURCE COMMAND

<CMD>	Hex	<Param> Value	Definition
Symbol	Value
QMAV?	0xEE	Command Packet:	This command causes the
		The controller sends no	CAT 860 to return a query
			response packet where the
		<Param> character in the
			added imbedded <Param>
		command packet.
			character contains the mute
			state for the audio/video
			sources.
			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 if
			the state is “un-muted” and
			0x81 if the state is “muted”.
			The possible values are
			shown below:
			0x80 = Un-muted
			0x81 = Muted
			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

15. QUERY MUTE FOR MICROPHONE AUDIO INPUTS COMMAND

<CMD>	Hex	<Param> Value	Definition
Symbol	Value
QMMI?	0xEF	Command Packet:	This command causes the
		The controller sends no	CAT 860 to return a query
			response packet where the
		<Param> character in the
			added imbedded <Param>
		command packet.
			character contains the mute
			state for the microphone
			audio inputs.
			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 if
			the state is “un-muted” and
			0x81 if the state is “muted”.
			The possible values are
			shown below:
			0x80 = Un-muted
			0x81 = Muted
			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

48 49