Furuno 1942 MARK-2 - Manual (Page 35)

5-3
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.
ARP-10 TEST
ROM OK 18990871xx
RAM OK
SPEED OK NAV 0.0KT
COURSE OK 167.6
q
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
[Self Test]
Key tset: Press each key and
check on-screen indication
lights.
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.
5.5 Life 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
MG4004 000-158-895
1932 M2
MAF1421B
000-158-786
-10
000-146-871
MAF1422B
000-158-788
-10
1942 M2
MG4006 000-150-838
2,000-3,000
hours
(Including
stand-by)