Furuno 1942 - Manual (Page 35)

24
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 ]
Program No.: 0359139-1XX
ROM
: NG
RAM : OK
Hours in use: 000006.9H
Tx hours
: 000001.1H
<Press MENU for OTHERS menu.>
Key test: Press each key and
check on-screen indication
lights.
ARPA Test results
l (Only when optional
ARP-15 board is
mounted.)
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
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 ex-
cept 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 back to the selftest
menu.
8. To escape from the test, press the [MENU]
key.
5.5 Life Expectancy of
Magnetron
The following table shows the life expectancy
of the magnetron.
Table 5-3 Life expectancy of magnetron
Model Type Code no. Life expectancy
1832/
1932
E3571 000-137-527
2,000 - 3,000 hours
(Including stand-by)
MG5248 000-116-121
MAF1421B –
1942
E3560 000-139-050
MG5389 000-135-146
OK