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6. MAINTENANCE & TROUBLESHOOTING
6-8
6.8 Diagnostic Test
The diagnostic test checks the system for proper operation. It is primarily intended for use by ser-
vice technicians, however the user may execute it to provide the service technician with informa-
tion.
1. Press the MENU key to open the menu.
2. Use the trackball to choose Factory from the System menu and press the ENTER key.
Factory menu
3. Use the trackball to choose Test and press the ENTER key.
Mark
Target Trails
Custom 1
Custom 2
Custom 3
Test
LCD Pattern
Menu
Factory
[ENTER]: Enter [CANCEL/HL OFF]: Back
[MENU]: Exit
Tuning
GPS
Target
ARP
AIS
System
Initial
Factory
Installation
GPS Buoy