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.
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
[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 opti onal
ARP-10 board is mounted.
5. To check the keyboard. P r es s 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 p attern
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 expect anc y of magnetrons
Model Type Code no. Life
expectancy
E3571 000-146-867
MG4004 000-158-895
1832/
1932
MAF1421B 000-158-786
-10
MAF1422B 000-146-871
1942 MG5389 000-135-146
2,000-3,000
hours
(Including
stand-by)