Idiomas disponibles
Idiomas disponibles
Trouble Shooting,
continued
Symptom
Check
Action
Charac
seen cl
an adju
perforrr
ters cam
early eve
stment
15
led
M
not be
jn after
5
Is the PHASE (Honzontal
stripe) adjusted9
Does the video clock
frequency of the image
signal exceed the standard
level (135 MHz)9
Perform the necessary adjustments until the
characters displayed on the screen do not
flicker
Lower the vertical frequency of the image
signal to set the video clock frequency to a
level below the standard level (135 MHz)
The image is too dark
Has the PICTURE 1 (text)
mode been set9
Is the video level correctly
adjusted9
Is the brightness or contrast
adjustment turned all the
way down9
Set the PICTURE 2 (standard) mode
Check the video signal level from the
computer and adjust it in the correct direction
Adjust the BRIGHTNESS, BACKLIGHT and
CONTRAST (For details, read the
operation manual of the computer )
M
The outlines of text are
<sha rrv
Has the PICTURE 3
(graphic) mode been set9
Set the PICTURE 2 (standard) mode
M
The image scrolls
continuously
SELF-TEST function
Press the Menu operation keys to check the
Self-Test screen
Is either one of the numeric values for fH or
fV displayed in red9
The input signal frequency exceeds the
range of the security range of this unit
Read the operation manual of the computer
and change the display mode
The display color is
abnormal
Signal cable
Connect the signal cable correctly
The screen size and
position do not change
Is the input synchronization
signal within the
operating range9
Check the video output mode from the
computer and select a mode within the LCD
monitor operating range (For details, read
the operation manual of the computer)
The auto size
adjustment does not
perform properly
Is the VGA350 or DOS
prompt mode being used9
Change the Windows screen or perform the
adjustment manually
The front panel keys
fail to operate
Are two or more keys being
operated at the same time9
Operate only one key at a time
The sound is not
correct
Audio cord
Computer sound level
Connect the audio cord correctly
Is the sound level from the computer
restricted9 For details, read the operation
manual of the computer
Input select adjustment
Check the audio input port
The headphones do
not operate
Headphone jack
Connect the headphone cord to headphone
jack correctly
The USB device does
not operate
USB cord
USB hub power cable
Connect the USB cord correctly
Enumerated the USB hub or USB device
Install the software driver of the USB
device For details, read the operation
manual of the USB device
Input select adjustment
Check the USB port
22
