ViewSonic VX2739wm-1 Service Manual page 53

1. If the timing is over spec (Fh, Fv or dot clock), the image shall be blanking, and
OSD background shall be non-transparent.
2. If the timing is inspect but not defined, the image shall be non-blanking.
5.1.9 No signal
While no signal is detected, the following OSD message shall shows on 3
seconds then go in to power saving.
OSD Background = Non-transparent
Image = Blanking
VX2739wm-1
CONFIDENTIAL – DO NOT COPY
ViewSonic Corporation 53 VX2739wm-CN