4 self test, 5 life expectancy of magnetron – Furuno FR-7112 User Manual
Page 34

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 “22. Self Test” and press the [ACQ/
ENTER] key. The following display appears.
ARP-10 TEST
ROM OK 18590271xx
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 test: Press each key and
check on-screen indication
lights.
Program No.
ROM
RAM
Hours in use
Tx hours
: 0359146-1xx
: OK
: OK
: 000006.9H
: 000001.1H
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 ap-
pear only when optional ARP-10 board is
mounted.
5. To check the keyboard, press any key except
[ACQ/ENTER] and [POWER] keys. The
pressed key's on-screen location lights in black
while the key is pressed, if the key is operat-
ing properly.
6. Press the [ACQ/ENTER] key to check the
display circuit. The following pattern
should appear.
Figure 5-2 Test pattern
7. To return to the Self Test menu, press the
[MENU] key.
8. To escape from the self test, 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
l
e
d
o
M
e
p
y
T
.
o
n
e
d
o
C
y
c
n
a
t
c
e
p
x
e
e
f
i
L
2
6
0
7
-
R
F
0
6
5
3
E
0
5
0
-
9
3
1
-
0
0
0
s
r
u
o
h
0
0
0
,
3
-
0
0
0
,
2
)
y
b
-
d
n
a
t
s
g
n
i
d
u
l
c
n
I
(
9
8
3
5
G
M
6
4
1
-
5
3
1
-
0
0
0
2
1
1
7
-
R
F
1
4
2
5
G
M
6
3
0
-
0
0
1
-
0
0
0
6
6
5
3
E
–
2
5
2
7
-
R
F
8
5
4
1
M
4
4
3
-
0
4
1
-
0
0
0
6
3
4
5
G
M
2
6
7
-
0
4
1
-
0
0
0