Hyundai Mobis ATC31HCAN, Quick Reference Manual, Page: 209 / 234

10-3
Symptom Possible cause Solution
The image quality is poor. Screen adjustment is required. On the All Menus screen, touch Setup
>
Display
>
Illumination ,
and then adjust the brightness.
> See “Illumination.”
Vibration occurs in the system. The images may get distorted when vibration occurs in the system.
This is not a system failure. The system is restored as soon as the
vibration stops.
The display is aged or the system
performance is degraded.
If the problem persists, contact your place of purchase or dealer.
Small red, blue, and green dots
are shown on the screen.
LCD has very high-density pixels. For this reason, there may be dead
pixels (that are always off) or lit pixels (that are always on) within 0.01
percent of the total pixels.