Furuno How to Check Radar Magnetron Lifespan and Perform Tests

5.4 Self Test

The self test facility checks the keyboard, ROM and RAM for proper operation.

1.Press the [MENU] key.

2.Select “OTHER MENU”.

3.Select “23. Self Test” and press the [ACQ/ ENTER] key. The following display appears.

		[Self Test]
	Key tset: Press each key and
	check on-screen indication
	lights.
ARP-10 TEST
ROM	OK 18990871xx
RAM	OK
SPEED	OK NAV 0.0KT
COURSE OK		167.6°
TRIGGER NG
VIDEO	NG
BP	OK
HP	OK
MIN-HIT		0003
SCAN-TIME		0854
MAN-ACQ		00
AUTO-ACQ		00
FE-DATA1		0000
FE-DATA2		0000

Program No.: 0359222-XX.XX

ROM : OK

RAM : OK

EEPROM : OK

Hours in use: 000006.9H

Tx hours: 000001.1H

OK

<Press MENU for OTHERS menu>

XX: Program Version No.

Figure 5-1 Self test screen

4.The ROM and RAM are automatically checked. If NG (No Good) appears to the right of ROM or RAM indication, contact your dealer for advice. ARP-10 TEST results appear only when optional ARP-10 board is mounted.

5.To check the keyboard. Press any key except the omnipad, ACQ and power keys. Its corresponding location on the display lights in black if the key is operating properly.

6.Press the [ACQ] key to check the display circuit. The following pattern should appear.

Figure 5-2 Test pattern

7.Press the [MENU] key to show the brilliance adjustment menu.

8.To escape from the selftest, press the [MENU] key.

5.5Life Expectancy of Magnetron

The following table shows the life expectancy of the magnetrons.

Table 5-3 Life expectancy of magnetrons

Model	Type	Code no.	Life
			expectancy
	E3571	000-146-867
1832/
	MG4004	000-158-895	2,000-3,000
1932
	MAF1421B	000-158-786	hours
		-10	(Including
			stand-by)
1942	MAF1422B	000-146-871
	MG5389	000-135-146

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