Epiphan VGADVI Recorder - Manual (Page 182)

VGADVI Recorder User Guide 7-7 Control with RS-232 / Serial Port
3. To get the value of the frame size (resolution):
GET.framesize
4. To set the frame size (resolution), enclose the parameter in quotes to preserve the spaces:
SET.framesize="640 x 480"
SAVECFG
5. To enable broadcasting audio:
SET.audio=on
SAVECFG
6. To disable broadcasting audio:
SET.audio=""
SAVECFG
173