Bosch Appliances Computer Monitor UML-273-90 Manual Do Utilizador
Troubleshooting
Problem
Solution
No image
displayed on
screen
displayed on
screen
–
Check that the power cord of the
monitor is securely connected into the
wall outlet or grounded extension cable
or strip.
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.
position and the LED lit.
–
Check that the Brightness and/or
Contrast adjustments of the display
have not been turned down to minimum
levels.
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
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.
Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC
OSD submenu.
Vertical or
horizontal noise
is present in the
picture
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.
Auto Adjust function.
- or -
Adjust the Frequency and Phase in the PC
OSD submenu.
8
60
en | Troubleshooting
Bosch High Performance
HD LED Monitors
2013.02 | 3.0 |
Installation Manual
Bosch Security Systems, Inc.