4 5.4.1 panel test – Furuno FCV-1100L User Manual

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5. MAINTENANCE, TROUBLESHOOTING

5-4

5.4.1 Panel

Test

The “panel window” at the bottom of the diagnostics display is used to check
keys and controls.

1. Press any key except the [PWR] key. The pressed key’s on-screen location

changes from 0 to 1 when the key is pressed.

2. Operate each control. The figure on the screen changes as below.

[FUNCTION]: 1 to 8
[RANGE]:

0 to 20

[MODE]:

1 to 7

[GAIN]:

0 to 255

3. To quit the diagnostic test, press the [MARKER/TLL] key more than three

seconds to return to the SYSTEM menu, then rotate the FUNCTION switch
fully counterclockwise to select EXIT.