Furuno CH-300 GPS Receiver User Manual


 
6. MAINTENANCE, TROUBLESHOOTING
6-8
6.9 Test Pattern
A test pattern can be displayed to check for proper display of colors.
1. Press the MENU key to open the menu.
2. Press to choose MENU, and then press to choose SYS.
3. Press to choose GO TO SYS MENU.
4. Press to choose YES.
5. Choose TEST PATTERN and press to display the test pattern. Press again to
change the test pattern. The pattern changes in the sequence shown below with each
press of .
BLUE
GREEN
BLACK
WHITE
RED
16 tones
of RED
16 tones
of GREEN
16 tones
of BLUE
Test pattern
To quit the test pattern, press the MENU key.