Troubleshooting - Bosch UML-273-90 Installation Manual

60 en | Troubleshooting
8

Troubleshooting

Problem
No image
displayed on
screen
Display image is
not centered, is
too small or too
large in the PC
mode
Vertical or
horizontal noise
is present in the
picture
2013.02 | 3.0 |
Solution
– 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.
Push the down arrow key to activate the
Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC
OSD submenu.
Push the down arrow key to activate the
Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC
OSD submenu.
Installation Manual
Bosch High Performance
HD LED Monitors
Bosch Security Systems, Inc.