25. TECHNICAL TESTS

25.0SYSTEM TEST

If you have connected your GPS chartplotter according to the instructions, and chosen the proper menu selection for your device, and are still having problems with your GPS chartplotter, the extended auto-test should help determine the problem. Make sure the GPS chartplotter is turned Off. While pressing and holding any other key, turn the GPS chartplotter On. SYSTEM TEST menu will appear on the display:

Figure 20.0 - System Test

Use the ShuttlePoint knob to select the desired test. Choose the test, press [ENT]. To exit from any submenu press [CLR]. To exit from the System Test turn Off the GPS chartplotter.

25.0.0 RAM Menu (reset)

This test verifies the integrity of the memories and if desired during this test all the internal memory can be erased and the default setting restored.

RAM Clear

To clear internal memory. If the GPS chartplotter exhibits unusual operations, or appears to be malfunctioning, it may be possible to correct the problem by clearing RAM.

This operation will erase all Marks, Routes, stored Track plots and Destinations. It will also return all selections (Input Data Format, Autopilot selection, etc.) to original default values. To confirm clear RAM press [ENT] again (but if at this time you do not wish to clear RAM press [CLR]).

25.0.1 DIM Menu

To select the desired value for brightness and keypad light.

Contrast

Each time you move the ShuttlePoint knob to right, the screen will decrease brightness, move it to the left to increase brightness.

Backlight

The second option allows to set the backlight. Operates in similar mode as Contrast.

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