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Idiomas disponibles
Idiomas disponibles
22
Trouble Shooting, continued
Symptom
Check
Characters cannot be
| Is the PHASE (Honzontal
seen clearly even after | stripe) adjusted?
an adjustment is
performed
|
The image is too dark
The outlines of text are
sharp
The image scrolls
Perform the necessary adjustments until the
characters displayed on the screen do not
flicker
Does the video clock
frequency of the image
signal exceed the standard
level (135 MHz)?
Has the PICTURE 1 (text)
mode been set?
Lower the vertical frequency of the image
signal to set the video clock frequency to a
level below the standard level (135 MHz)
Set the PICTURE 2 (standard) mode
Is the video level correctly
adjusted?
Is the brightness or contrast
adjustment turned all the
way down?
Has the PICTURE 3
(graphic) mode been set?
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
)
Set the PICTURE 2 (standard) mode
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 red?
The input signal frequency exceeds the
range of the security range of this unit
continuously
Read the operation manual of the computer
and change the display mode
The display color 1s
Signal cable
Connect the signal cable correctly
abnormal
The screen size and
Is the input synchronization
| Check the video output mode from the
position do not change | signal within the
computer and select a mode within the LCD
operating range?
monitor operating range (For details, read
the operation manual of the computer )
Change the Windows screen or perform the
adjustment manually
Is the VGA350 or DOS
prompt mode being used?
The auto size
adjustment does not
perform properly
The front panel keys
Are two or more keys being | Operate only one key at a time
fai to operate
operated at the same time?
The sound is not
Audio cord
Connect the audio cord correctly
correct
Computer sound level
Is the sound level from the computer
restricted? For details, read the operation
manual of the computer
Input select adjustment
Check the audio input port
The headphones do
Headphone jack
Connect the headphone cord to headphone
not operate
jack correctly
The USB device does
| USB cord
Connect the USB cord correctly
not operate
USB hub power cable
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
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