Icom C RP1520 Instruction Manual page 12

144mhz
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BASIC PRESETTINGS
(2) SUBAUDIBLE TONE ENCODER
FREQUENCY
The subaudible tone encoder frequency can be set by
dip switches on the LOGIC-A UNIT. Be sure to discon-
1) Remove the bottom cover.
Remove 6 screws on the bottom cover and another
l
3 screws on each side of the front panel of the
repeater.
SUBAUDIBLE
TONE
TONE ENCODER
FREQUENCY
01
67.0
02
71.9
03
74.4
04
77.0
05
79.7
06
82.5
85.4
07
08
88.5
91.5
09
10
94.8
97.4
11
100.0
12
13
103.5
14
107.2
110.9
15
16
114.8
17
118.8
18
123.0
19
127.3
- : O F F
3
5
1
2
4
ON
O N O N
O N
ON
O N
ON
O N
O N O N
ON
O N
ON
O N
ON
ON
O N O N
ON
O N
O N
ON
O N
O N
O N
ON
ON
O N O N
O N
O N
O N
ON
O N
O N
O N
O N
O N O N
2) Set dip switches on Sl
following table.
l
The tone numbers are used for setting the sub-
audible tone encoder frequency with DTMF sig-
nals.
Example of setting dip switches (88.5 Hz)
SUBAUDIBLE
TONE
TONE ENCODER
6
N U M B E R
FREQUENCY
131.8
21
136.5
22
141.3
23
146.2
151.4
24
156.7
25
26
162.2
27
167.9
173.8
28
29
179.9
30
186.2
192.8
31
32
203.5
33
210.7
34
218.1
225.7
35
36
233.6
241.8
37
38
250.3
as desired according to the
1
1
2
3
4
5
ON
ON
ON
ON
ON
O N
ON
ON
O N
ON
ON
ON
ON
O N
ON
ON
ON
ON
ON
ON
ON
ON
O N
ON
ON
ON
O N
ON
ON
O N
ON
O N
ON
O N
O N
O N
ON
ON
ON
ON
ON
ON
ON
ON
O N
ON
ON
ON
ON
6
ON
ON
O N
O N
O N
O N
O N

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