User's Manual

Last change:
2012-3-1
User Manual HL1928M-L/R
Page 24 of 32
Reject Changes Exit the OSD and without saving
Exit
Accept Changes Exit the OSD and save changes
Press MANU to enter a sub-menu and EXIT to get out. And also you can set the OSD time out
counter to let the menu auto disappear. The default timer is 6 seconds. If you want to lock the
menu after the operation, please operate as it tells in above section.
7. Fault diagnostics
Fault Cause Remedy
Broken fuse Inform servicing department No picture appears
on the display,
operation LED off
Power cable not
inserted or
incorrectly inserted
Insert power cable
No video signal Check video cable No picture appears
on the display,
operation LED
green blinking
Video source not
supplying a signal
Check video source
Fuzzy picture,
interference in
vertical lines
Scanning frequency
or phase incorrectly
set
Adjust frequency and phase