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C1
C2
3
C
4
C
5
C
C6
7
C
1
1
C
C12
3
1
C
C14
C16
7
1
C
C18
C21
2
2
C
3
2
C
C25
6
2
C
C31
C32
1
4
C
2
4
C
3
4
C
4
4
C
D1
2
D
D3
1
C
I
2
C
I
IC3
4
C
I
IC5
IC6
1
J
2
J
Q2
Q3
4
Q
6
Q
3
R
1
R
4
R
5
R
4
1
R
5
1
R
6
1
R
1
2
R
2
2
R
3
2
R
4
2
R
5
2
R
6
2
R
R27
R28
R29
R30
1
3
R
5
3
R
R36
7
3
R
8
3
R
R40
R41
R42
R43
R51
R52
R53
R54
R55
6
5
R
R61
R62
R63
R64
R65
7
6
R
X1
A
8
5
6
6
B
E
B
1
J
2
J
+
P
S
-
P
S
0
H
5
H
0
1
H
5
1
H
0
2
H
5
2
H
0
3
H
5
3
H
0
4
H
5
4
H
0
5
H
5
5
H
0
6
H
5
6
H
0
7
H
5
7
H
0
8
H
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
L
Q
S
B-6660
H0
H5
H10
0
V
5
V
0
1
V
H0
H5
H10
0
V
5
V
0
1
V
5
1
V
-
P
S
+
P
S
D
N
G
0
H
5
H
0
1
H
5
1
H
0
2
H
5
2
H
0
3
H
5
3
H
0
4
H
5
4
H
0
5
H
5
5
H
0
6
H
5
6
H
0
7
H
5
7
H
0
8
H
5
8
H
0
9
H
5
9
H
0
0
1
H
5
0
1
H
0
1
1
H
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
V55
V60
V65
V70
V75
V80
• MAIN UNIT (BOTTOM VIEW)
• LOGIC UNIT (BOTTOM VIEW)
• SQL UNIT (BOTTOM VIEW)
• VR UNIT (BOTTOM VIEW)
IC4 (MAIN UNIT)
HV
GND
J1
GND
1
2
GND
UNLK
PD
A
T
A
PCK
PSTB
BPF
H/L
SQLC
TXDET
SQL
TMUTE
KEYM
SEND
PTT
RCV
PTTC
DSCDEC
RMUTE
WXDEC
DSCENC
5V
5V
NC
HVS
SQL
V
BPL
VL
BEEP
SP−
29
30
SP+
J2
NMEA+
1
NMW
A−
ICF3
GND
4
SP1
(FRONT UNIT)
W1
(FRONT UNIT)
MP13 (FRONT UNIT)
R1
(FRONT UNIT)
SP−
SP+
To J1 (MAIN UNIT)
M304 A3.indd 8-9
12/27/2006 12:28:23 PM