Extron electronic SVS 100 manual Serial Communication, cont’d

Serial Communication, cont’d

ASCII to HEX Conversion Table

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Figure 5-1 — ASCII-to-hexadecimal conversion table

COMMAND/RESPONSE TABLE

COMMAND	ASCII	RESPONSE	DESCRIPTION
Input Selection
Select video and audio*	!	C	Video and audio input
Select audio only*	$	A	Audio input	(0 = mute audio)
Select video only*	&	V	Video input	(0 = black video)

*The response is immediately preceded by “Bsy1”, which indicates that an effect has begun, and followed by “Bsy0” when the effect has ended.

Top Blanking

Specific value Increment up Decrement down View

Bottom Blanking

Specific value Increment up Decrement down View

Contrast

Specific value Increment up Decrement down View

g =T

+=T -=T =T

g =B

+=B -=B =B

^ +^ -^

^

Blt	g
Blt	g
Blt
	g
Blt	g
Blb	g
Blb	g
Blb
	g
Blb	g

Con

Con

Con

Con

Sets input top blanking to g

Increment input top blanking by one step Decrement input top blanking by one step View current input’s top blanking setting

Sets input bottom blanking to g

Increment input bottom blanking by one step Decrement input bottom blanking by one step View current input’s bottom blanking setting

Sets input contrast to

Increment input contrast by one step Decrement input contrast by one step View current input’s contrast setting

Brightness

Specific value	Y	Brt	Sets input brightness to
Increment up	+Y	Brt	Increment input brightness by one step
Decrement down	-Y	Brt	Decrement input brightness by one step
View	Y	Brt	View current input’s brightness setting

Color

Specific value	C	Col	Sets input color to
Increment up	+C	Col	Increment input color by one step
Decrement down	-C	Col	Decrement input color by one step
View	C	Col	View current input’s color setting

5-4 SVS 100 Serial Communication