Furuno gp-30-35 用户手册
8-1
8.1 Maintenance
Check the following points regularly to
maintain performance:
maintain performance:
• Check that connectors on the rear panel
are firmly tightened and free of rust.
• Check that the ground system is free of
rust and the ground wire is tightly fas-
tened.
tened.
• Check that battery terminals are clean and
free of rust.
• Check the antenna for damage. Replace
if damaged.
• Dust and dirt on the keyboard and dis-
play screen may be removed with a soft
cloth. Do not use chemical cleaners to
clean the equipment; they may remove
paint and markings.
cloth. Do not use chemical cleaners to
clean the equipment; they may remove
paint and markings.
8.2 Displaying the Message
Board
Board
The message board displays error messages
and alerts. You can display it as follows:
and alerts. You can display it as follows:
1. Press the [MENU] key twice.
2. Select MESSAGES.
3. Press the [ENT] key.
MESSAGES
•
GPS NO FIX!
!
Figure 8-1 MESSAGE board
4. Press the [MENU] key twice to quit the
message board.
8. MAINTENANCE & TROUBLESHOOTING
Messages
Table 8-1 Messages and their meanings
e
g
a
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M
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R
,
g
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A
W
R
O
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N
A
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M
R
A
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A
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r
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a
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n
A
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d
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t
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A
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3
-
8
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M
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T
A
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R
R
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P
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a
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s
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P
G
D
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a
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!
X
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F
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s
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P
G
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R
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E
M
A
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.
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c
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q
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!
R
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E
M
O
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.
e
c
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q
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R
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T
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c
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M
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A
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m
r
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p
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.
d
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t
a
l
o
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v
!
M
R
A
L
A
E
T
X
g
n
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t
t
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s
m
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a
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a
E
T
X
.
d
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v
8.3 Displaying the GPS
Satellite Monitor Display
Satellite Monitor Display
The GPS satellite monitor display shows in-
formation about GPS satellites.
formation about GPS satellites.
1. Press the [MENU] key twice.
2. Select SATELLITE.
3. Press the [ENT] key.
Number, bearing and elevation angle of
all satellites in view of the GPS receiver
appear. Satellites being used in fixing po-
sition are displayed in reverse video; sat-
ellites not being used are shown in
normal video.
all satellites in view of the GPS receiver
appear. Satellites being used in fixing po-
sition are displayed in reverse video; sat-
ellites not being used are shown in
normal video.