Dell SE178WFP Monitor - Manual (Page 16)

Automatic Save
With the OSD open, if you make an adjustment and then either proceed to another menu, or exit the OSD, the monitor automatically saves any adjustments
you have made. If you make an adjustment and then wait for the OSD to disappear the adjustment will also be saved.
OSD Warning Messages
A warning message may appear on the screen indicating that the monitor is out of sync.
This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to
use. See
Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor. Recommended mode is 1440 X 900 @ 60Hz.
Occasionally, no warning message appears, but the screen is blank. This could also indicate that the monitor is not synchronizing with the computer.
See Troubleshooting for more information.
Using the Dell Soundbar (Optional)
The Dell Soundbar is a stereo two channel system adaptable to mount on Dell Flat Panel Displays. The Soundbar has a rotary volume and on/off control to
adjust the overall system level, a blue LED for power indication, and two audio headset jacks.
NOTE:If you select 'disable' for DDC/CI,the warning message appears on screen.You can select Yes or No according to need.
Cannot Display This Video Mode
Optimum resolution 1440 x 900 60Hz
NOTE: The floating 'Dell - self-test Feature Check' dialog appears on the screen if the monitor cannot sense a video signal.