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12.13 DUAL CHANNEL MONITOR FUNCTION
In stand-by, the PMR is set on one set channel with CTCSS code. The PMR will only receive signals transmitted on that
channel and CTCSS code.
Dual Channel Monitor allows you to monitor a second channel with CTCSS code.
SCAN
• Press
VOX
DCM
• Press
• Press
• Press
SCAN
• Press
VOX
DCM
To disable the function select channel 'O'
When the Dual Channel Monitor function is activated, the PMR will switch sequentially between the standby channel +
CTCSS and the Dual Channel + CTCSS.
12.14 STOPWATCH
•
Press and hold
for 3 seconds to enter stopwatch mode
•
Press
to start counting
•
Press
to stop counting
•
Press
to reset the timer
Press and hold
for 3 seconds to exit stopwatch mode
12.15 HEADSET CONNECTION
15
13
TECHNICAL SPECIFICATIONS
Channels
CTCSS
Frequency
Range
Batteries PMR
Transmission Power
Modulation Type
Channel spacing
Channel Frequency Chart:
Channel
Frequency (MHz)
1
446,00625
2
446,01875
3
446,03125
4
446,04375
5
446,05625
6
446,06875
7
446,08125
8
446,09375
TOPCOM TWINTALKER 3800
7 times, DCM appears on the display.
or
to change the channel.
to confirm the channel selection and go to CTCSS SUB-CHANNEL SELECTION
or
to change the CTCSS.
to confirm.
The Twintalker 3800 can be used with the included external microphone and
speaker.
The connector is located under the protective rubber cover on the top of the
unit.To attach the external speaker/microphone headsets or earpiece, lift the
rubber flap on the top of the unit to expose the connector.
Insert the appropriate plug into the connector.
CTCSS Code Chart
Code
Frequency (Hz)
0
Disabled
1
67,0
2
71,9
3
74,4
4
77,0
5
79,7
6
82,5
7
85,4
8
88,5
9
91,5
8
38
446.00625MHz - 446.09375 MHz
Up to 3 Km (Open field)
3 x AAA Alkaline or NiMh rechargeable
=< 500mW ERP
FM - F3E
12,5 Khz
Code
Freq. (Hz)
Code
10
94,8
20
11
97,4
21
12
100,0
22
13
103,5
23
14
107,2
24
15
110,9
25
16
114,8
26
17
118,8
27
18
123,0
28
19
127,3
29
TOPCOM TWINTALKER 3800
Freq. (Hz)
Code
Freq. (Hz)
131,8
30
186,2
136,5
31
192,8
141,3
32
203,5
146,2
33
210,7
151,4
34
218,1
156,7
35
225,7
162,2
36
233,6
167,9
37
241,8
173,8
38
250,3
179,9
9
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