Furuno FELCOM 12 manual Self Tests, Self test at power application communication unit

Self Tests

The communication unit and the terminal unit are equipped with self tests which check them for proper operation.

Self test at power application (communication unit)

The communication unit performs the following tests when it is turned on:

a)ROM sum test

b)RAM read and write test

c)DP RAM read and write test

d)EEPROM sum test

e)VITERBI decoder test

If the unit finds no fault it goes into normal operation.

Testing the communication unit through the keyboard

This test can only be initiated from the main DTE. The communica- tion unit must be idle.

1.Press [F7] to display the Options menu.

2.Press [6] to display the Test menu.

3.Press [3]. The Communication Unit (self test) screen appears.

			Options
				Test
1.		Login
	.	Logout			Communication Unit

Start

Yes No

Figure 8-1 Communication unit screen

4.Press [Enter] to start the test.

The message “Now Communication Unit-testing” appears in blinking reverse video during testing.

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