Bosch UML-323-90, Руководство пользователя

Страница: 36 / 41

Bosch High Performance HD LED Monitors Troubleshooting | en 35
Bosch Security Systems, Inc. User's Manual F.01U.134.499 | 2.0 | 2012.10
8 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, is too small or
too large in the PC mode
Push the down arrow key to activate the Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC OSD submenu.
Vertical or horizontal
noise is present in the
picture
Push the down arrow key to activate the Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC OSD submenu.
Incorrect colors Select a color temperature in the Color Tone 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)