Extron electronic DVS 304 AD, DVS 304 D Zoom Mode, Pan, Output Scaler Rate, Output Sync Format

Command	ASCII Command	Response	Additional description
	(host to scaler)	(scaler to host)
Zoom Mode
Zoom in	+{	Zom X8* ]	Zoom in, make the window larger.
Zoom out	–{	Zom X8* ]	Zoom out, make the window
			smaller.
Set zoom value	X8* {	Zom X8* ]	Set zoom percentage from 100%
			(default) to 200%.
View	{	X8* ]	View zoom percentage.
Pan
Right	+1	HpnX8(]
Left	–1	HpnX8(]
Up	–2	VpnX8(]
Down	+2	VpnX8(]

Output Scaler Rate

NAdd a leading 0 when it is a single digit value

Set output rate	X9!* X9@ =		RteX9!*X9@]
View output rate	=		X9!*X9@]
Output Sync Format
Set format	6*	X9$ #	SynX9$]
View setting	6#		X9$!]
Set polarity	7*	X9# #	PolX9#]
View format	7#		X9#!]
Memory Presets (input 1 to 4)
Recall preset	1*	X9% .	1RprX9%]
Save preset	1*	X9% ,	1SprX9%]

Select output resolution and refresh rate.

Show selected output rate.

Set current output sync format setting.

View currently set output sync format.

Recalls memory preset X9% for selected input.

Saves memory preset X9% for selected input.

Input Presets (for input 4 only)

Recall preset	2* X9^ .	2RprX9^]	Recalls input 4 preset X9^ .
Save preset	2* X9^ ,	2SprX9^]	Saves input 4 parameters to X9^ .
Write/Read input preset name
Write preset name	Esc X9^ ,X8$ NG}	NmgX9^,X8$]	Name preset X9^ as “X8$”.
Read preset name	2* X9^ ,	2SprX9^]	Save preset X9^ as “X8$”.

NIf a preset has not been saved, then X8$ displays [unassigned]. The preset name is also the OSD text label that displays on the screen when recalled. Changing the input preset name also updates the OSD text label of that input.

N X8) = 0 or 1
X8$ = Text label/Preset name:	Up to 16 characters
X8( = Pan	(Values depend on current output rate and zoom %)
X9! = Output resolution	1 to 22 for resolutions 640 x 480 to 1280 x 800 (see page 3-7)
X9@ = Output refresh rate:	1 to 6 for rates 24 Hz to 120 Hz (see page 3-7)
X9# = Output polarity:	0 = H - / V -, 1 = H - / V +, 2 = H + / V -, 3 = H+/ V +
X9$ = Output sync format:	0 = RGBHV (default), 1 = RGBS, 2 = RGsB, 3 = Y, R-Y, B-Y
X9% = Memory presets:	1 to 3
X9^ = Input 4 presets:	1 to 128
	DVS 304 • Serial Communication 3-11