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12.4 Error Messages
This equipment displays the following error
messages on the alarm menu to alert you to
possible trouble.
Table 12-4 Error messages
E
r r
r o
M
e
s
s
a
g
e
N
O
G
P
S
F
X I
N
O
D
F I
F
E
R
E
N
T
A I
L
G
P
S
C
O
R
R
E
C
I T
O
. N
(
G
P
1 -
6
5
0
D
o
l n
) y
V
O
L
T
A
G
E
O
F
N I
T
E
R
N
A
L
B
A
T
T
E
R
Y
S I
L
O
W
.
12.5 Diagnostic Tests
Memory, I/O port test
This test conducts a general check of the dis-
play unit and the antenna unit. The unit dis-
plays the results for each device or
component checked as OK or NG (No Good).
1. Press the [MENU] key to open the main
menu.
2. Press the soft key CONFIGURATION to
show the configuration menu.
SETUP NMEA PORT 1
SETUP NMEA/DGPS PORT 2
UPLOAD/DOWNLOAD DATA
SYSTEM MENU
DGPS 3D
Figure 12-1 Configuration menu
3. Press the soft key SYSTEM MENU to
open the system menu.
M
e
a
n
n i
, g
e r
m
e
d
y
N
o
G
P
S
s
g i
n
a
. l
C
h
e
k c
a
n
e t
n
n
a
c
a
l b
. e
N
o
D
G
P
S
s
g i
n
a
. l
C
h
e
k c
a
n
e t
n
n
. a
V
l o
a t
g
e
f o
n i
e t
n r
l a
b
t a
e t
y r
s i
o l
. w
R
e
q
u
e
t s
e r
p
a l
c
e
m
e
t n
f o
b
a
t t
r e
. y
CONFIG
RETURN
SELF TEST
DEMONSTRATION MODE
MEMORY/TRIP CLEAR
DGPS 3D
Figure 12-2 System menu
4. Press the soft key SELF TEST to open
the test menu.
MEMORY I/O TEST
KEYBOARD TEST
TEST PATTERN
DGPS 3D
Figure 12-3 Test menu
5. Press the soft key MEMORY•I/O TEST
to start the test. The test results appears
as below.
TEST
PROGRAM: OK
No.14518010**
SRAM: OK
DRAM: OK
PORT1: OK
PORT2: OK
: Special connections are required to check these ports.
Otherwise, "--" appears.
**: Program Version No.
Figure 12-4 Memory, I/O test results
6. The test runs continuously. To return to
the self test menu, press the soft key
RETURN.
Note: BEACON RECEIVER results only ap-
pear on GP-1650D.
SYSTEM
MENU
RETURN
TEST
RETURN
INTERNAL
BATTERY: OK
GPS
RECEIVER: OK
No.48502170**
BEACON
RECEIVER: OK
No.08501820**
No.
RETURN
12-3
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