DVIGear DVI-3571a - Manual (Page 18)

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5.6.1 RS-232 and Telnet Command Set
In order to be executed, these commands must be followed by a Carriage
Return (CR) command. For some systems, a Line Feed (LF) command may also
be required. None of the following commands are case sensitive.
Command Description
S POWER 0/1 0 = OFF 1 = ON
R POWER Reports the numeric equivalent for POWER setting (as above).
S SOURCE 1~8
1 = HDMI 1 5 = VIDEO
2 = HDMI 2 6 = PC 1
3 = HDMI 3 7 = PC 2
4 = YPbPr 8 = PC 3
R SOURCE Reports the numerical equivalent for SOURCE setting (as above).
S OUTPUT 0~21 (1)
0 = 640Ч480 11 = 1600Ч1200
1 = 800Ч600 12 = 1920Ч1080
2 = 1024Ч768 13 = 1920Ч1200
3 = 1280Ч768 14 = 480p@60
4 = 1360×768 15 = 720p@60
5 = 1280×720 16 = 1080i@60
6 = 1280×800 17 = 1080p@60
7 = 1280×1024 18 = 576p@50
8 = 1440×900 19 = 720p@50
9 = 1400×1050 20 = 1080i@50
10 = 1680×1050 21 = 1080p@50
R OUTPUT Reports the numerical equivalent for OUTPUT setting (as above).
S SIZE 0~6
0 = OVERSCAN 4 = LETTER BOX
1 = FULL 5 = UNDER 2
2 = FOLLOW INPUT 6 = UNDER 1
3 = PAN SCAN
R SIZE Reports the numerical equivalent for SIZE setting (as above).
S INPUT HDCP 0/1 0 = ON 1 = OFF (For use with certain computers)
R INPUT HDCP Reports the numerical equivalent for INPUT HDCP setting (as above).
S CONTRAST 0~60 Sets the numerical equivalent for CONTRAST setting (0~60).
R CONTRAST Reports the numerical equivalent for CONTRAST setting.
S BRIGHTNESS 0~60 Sets the numerical equivalent for the BRIGHTNESS setting (0~60).
R BRIGHTNESS Reports the numerical equivalent for the BRIGHTNESS setting.
S HUE 0~60 Sets the numerical equivalent for the HUE setting (0~60).
R HUE Reports the numerical equivalent for the HUE setting.
Note 1: Resolution settings 0-13 are RGB encoded. Resolution settings 14-21 are YUV encoded.