Bosch UML-463-90, User Manual

Page: 35 / 42

Troubleshooting
Problem Solution
No image displayed on
screen – Check that the power cord of the monitor is securely
connected into the wall outlet or grounded extension cable
or strip.
– Power switch should be in the ON position and the LED lit.
– Check that the Brightness and/or Contrast adjustments of
the display have not been turned down to minimum levels.
Display image is not
centered, or is too small
or too large in the PC
mode Push the down arrow button to activate the Auto Adjustment
function.
- or -
Adjust the Frequency and Phase in the OSD submenu – see
Screen Menu, page 28.
Vertical or horizontal
noise is present in the
picture Push the down arrow button to activate the Auto Adjust function.
- or -
Adjust the Frequency and Phase in the OSD submenu.
Incorrect colors Select a color temperature in the Color Temp menu.
- or -
Use the Reset function to reset to the default settings.
The error message “Out
of Range” is displayed PC is operating with either a resolution or timing mode that is not
supported by the monitor. Change the PC timing mode to one of
the valid combinations below:
–
640 x 480 (60/72/75Hz)
– 720 x 400 (70Hz)
– 800 x 600 (60/75Hz)
– 1024 x 768 (60/75Hz)
– 1280 x 768 (60Hz)
– 1280 x 960 (60Hz)
– 1280 x 1024 (60Hz)
– 1366 x 768 (60Hz)
– 1600 x 1200 (60Hz)
– 1920 x 1080 (60Hz)
8
High Performance HD LED Monitor Troubleshooting | en 35
Bosch Security Systems User Manual 2013.07 | v1.0 | F.01U.286.147