Operation
A22
Technical Information
Troubleshooting
Check the following before calling for service.
NO SIGNAL message.
The signal cable is not connected.
OUT OF FREQUENCY message appears.
The frequency of the sync input is outside the operating range of the
monitor.
*Horizontal Frequency: 30-115kHz
*Vertical Frequency: 50-200Hz
Use the graphics board's utility software to change the frequency setting
(Refer to the manual for graphics board).
The power LED is illuminated amber.
Display power management mode.
These is no sync signal.
The signal cable is not fastened securely.
Check the computer power and graphics adapter configuration.
The image on the SCREEN is not centered, or too small, or
not a rectangle shape.
Image adjustment not been done yet in the current operating mode. Use
the SELECT and ADJUST buttons to set the image to your liking.
The monitor doesn't enter the power saving off mode
(Amber).
Computer video signal is not VESA DPMS standard. Either the PC or the
video controller card is not using the VESA DPMS power management
function.
An abnormal picture is displayed on the screen. For example,
the upper part of the picture may be missing or dark.
If using certain non-VESA Standard video card, an abnormal picture may
be displayed. Try setting it to one of the factory preset modes, or
selecting to a resolution and refresh rate within the specification limits of
the monitor.
NOTE
If the power indicator(LED) light is blinking amber, may result in abnomal
condition of the monitor.
Then press a power ON/OFF button on the front panel control and call your
service technician for more information.
