Hifonics MX701S Bedienungsanleitung Seite 15

Trouble Shooting
POWER
This product is designed for operation with a 12 Volt DC, negative ground vehicle.
Too low voltage or wrong polarity may cause malfunctions.
SERVICE
Do not try and service these products yourself, seek only a qualified service center or factory service center.
DAMAGES
Be careful not to drop or apply undue pressure to the frontpanel of your video monitor.
If the screen cracks due to misuse your warranty will be void!
CHECK-POINTS
1. The operating temperature of this product is limited to -20°C- +80°C.
Your vehicle can reach temperatures up to 100° C in the summertime.
2. From time to time when your vehicle extremely hot or cold you must allow
for your air conditioner or heater to cool or heat the vehicle to operating
temperatures to return to normal operating ranges are achieved.
3. Your optimum picture quality is achieved when you are directly in front
of monitor (+/- 30 degrees).
Symptoms
Black Screen and
Operation LED is not illuminated
Black Screen but
Operation LED is illuminated
No Color
Little regular light
spots and color spots on the
screen or black horizontal line
in the picture
Unclear Picture
2 2
Probable Causes
1. No 12 voltage
2. The A/V cable of the monitor is loose or is
damaged
1. No Video-Signal
2. The A/V cable of the monitor is loose or is
damaged
3. Brightness or Contrast ratio is
too low
1. No Color Signal from Video Source
2. The A/V cable of the monitor is loose or is
damaged
3. Color settings are wrong
1. This is a principally "Symptom" in the usual
range for manufacturing standards of
LCD/TFT monitors.
1. Bad Quality of the Video Source
2. Brightness or Contrast ratio is
too low
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Solution
1. Check if power is on or the connection is
unstable
2. Check the A/V cable
1. Check output signal of th Video Source
2. Check or replace A/V cable
3. Increase Brightness or Contrast ratio
1. Check output signal of th Video Source
2. Check or replace A/V cable
3. Reset to factory settings via the OSD-Menu
–
1. Replace or change the disk
2 . Increase Brightness or Contrast ratio