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22. Maintenance and Troubleshooting
22-11
22.7 Keyboard Test
In addition to the color calibration tests, the system provides a keyboard test that the operator may use to check
keyboard of the RCU-020. (Other diagnostic tests are also provided, on the self test menu, however these are
intended for service technicians. For further details, see the service manual.)
1. Spin the scrollwheel to show Menu/Info/Chart Menu in the guidance area, then push the left button.
2. Select the Initial Setting menu.
3. Put the cursor on the triangle in the menu to show the Initial Settings menu.
4. Select Self Test. You are asked if it is OK to leave the chart radar mode and start the self test.
Click OK to leave ECDIS mode
and start Selftest.
SELFTEST
OK Cancel
5. Click the OK button to show the self test menu.