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8-7
8. GPS OPERATION (ADVANCED)
Checking your position
D
About the Grid Locator
Grid Locator (GL) is a position compressed into a 6
character code, calculated by the longitude and the
latitude.
The locator is simply calculated by dividing the earth
surface into squares.
It is used to find the area of a transceiver station.
D
Setting the display type (MAIN/SUB)
You can select the display type for the RX screen.
1. While selecting the RX screen, push
QUICK
.
2. Touch “Display Select(MAIN/SUB).”
3. Touch the desired option.
• Latest (MAIN/SUB):
The last received station’s position
information is displayed.
• MAIN: The position information of the station
received on the MAIN band is displayed.
• SUB: The position information of the station
received on the SUB band is displayed.
L
When you select “MAIN” or “SUB,” “(MAIN)” or
“(SUB)” is displayed next to “RX.”
D
About the Course
The course displayed on the GPS POSITION screens
are indicated in degrees.
0°
90°
270°
180°
45°
135°
225°
315°
N
E
S
W
Square Subsquare
Field
PM74SO
The grid locator map of Japan
00
09
08
07
06
05
04
03
02
01
19
18
17
16
15
14
13
12
11
29
28
27
26
25
24
23
22
21
10 20
01 11
21
22
12
02
23
13
03
24
14
04
90
99
98
97
96
95
94
93
92
91
91
92
93
94
80
89
88
87
86
85
84
83
82
81
81
82
83
84
70
79
78
77
76
75
74
73
72
71
71
72
73
74
60
69
68
67
66
65
64
63
62
61
61
62
63
64
50
59
58
57
56
55
54
53
52
51
51
52
53
54
40
49
48
47
46
45
44
43
42
41
41
42
43
44
140°
40°
PN
PM
QN
QM