6. MAINTENANCE & TROUBLESHOOTING
6-10
• At the right side of the display there are squares, circles and ovals, and they are for
checking the controls of the display unit and remote controller. Press each key one by
one. The key’s on location “lights” (color depends on color scheme in use) if the key is
functioning normally and extinguishes when the key is released. For the GAIN, SEA and
and RAIN controls the three-digits below each control changes according to control
position, and the range is 0-100. The three digits below the trackball show the trackball’s
on-screen X-Y position and the range of display is 0-255.
4. Press the
MENU
key three times on the display unit or remote controller to esape from the test.
6.8
LCD Test
The LCD pattern test checks the LCD for proper display of colors.
1. Press the
MENU
key to open the menu.
2. Use the trackball to choose Factory from the System menu and then press the
ENTER
key.
3. Use the trackball to choose LCD Pattern and then press the
ENTER
key.
The screen is initially all white. Hit the
MENU
key to display the test pattern for black, red, blue
and green colors.
LCD test screens
4. Press the
MENU
key to close the menu.
WHITE
BLACK
RED GREEN BLUE
MENU
key
MENU
key
