RS-232 SERIAL COMMUNICATION COMMANDS

Commands

These commands are sent in ASCII format to the Switcher:

Command Code

Response

Description

 

S POWER 0

> POWER OFF

POWER OFF

 

S POWER 1

> POWER ON

POWER ON

 

S SOURCE 0

> SOURCE HDMI1

HDMI1 INPUT

 

 

 

 

S SOURCE 1

> SOURCE HDMI2

HDMI2 INPUT

 

S SOURCE 2

> SOURCE HDMI3

HDMI3 INPUT

 

S SOURCE 3

> SOURCE PC

PC INPUT

 

 

 

S SOURCE 4

> SOURCE COMP1

COMPONENT1 INPUT

 

S SOURCE 5

> SOURCE COMP2

COMPONENT2 INPUT

 

 

 

S SOURCE 6

> SOURCE SV1

SV1 INPUT

 

S SOURCE 7

> SOURCE SV2

SV2 INPUT

 

S SOURCE 8

> SOURCE CV1

CV1 INPUT

 

 

 

S SOURCE 9

> SOURCE CV2

CV2 INPUT

 

S AUDIODELAY 0

> AUDIODELAY OFF

OFF : NO DELAY

 

S AUDIODELAY 1

> AUDIODELAY ON

ON : DELAY 150ms

 

 

 

S SD_ITOP 0

> 480i/576i TO 480p/576p OFF

OFF : NO 480i/576i TO 480p/576p

 

S SD_ITOP 1

>480i/576i TO 480p/576p ON

ON : 480i/576i TO 480p/576p

 

S RESET 1

> RESET ON

RESET ACTION

 

 

 

 

 

 

Command Code

Response

Description

R POWER

> POWER ON~OFF

SHOW POWER STATUS

 

R SOURCE

> SOURCE HDMI~CV

SHOW SOURCE STATUS

 

R AUDIODELAY

> AUDIODELAY OFF~ON

SHOW AUDIO DELAY STATUS

 

 

 

R SD_ITOP

>480i/576i TO 480p/576p OFF~ON

SHOW 480i/576i TO 480p/576p STATUS

 

R FW_VER

> FIRMWARE VERSION : Vx.xx

SHOW FIRMWARE VERSION

 

 

 

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Gefen EXT-TV-MFS user manual RS-232 Serial Communication Commands