16 troubleshooting 17 technical specifications, English – Topcom Twin Talker 3800 User Manual
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Topcom Twintalker 3800
11
Topcom Twintalker 3800
ENGLISH
16 Troubleshooting
17 Technical specifications
No power
Clean the battery contacts with a soft cloth.
Replace the batteries.
No transmission
Make sure the
- button
is pressed
completely before you speak.
Monitor the channel activity and switch to another
channel if the current is used.
No reception
Check the speaker volume.
Make sure that you are in the reception range of
the sender and change if necessary your location.
Limited Range and noice during
transmission
The talking range depends on the terrain.
Steal constructions, concrete buildings or the use
in vehicles have a bad influence on the range.
Try to avoid as many obstacles as possible and
communicate in a clear line of sight.
Change your locations.
Interference
The receiver and transmitter are too close. The
mimimum distance between 2 units is 1,5m.
Channels
Sub-code
Frequency
Range
Batteries
Transmission Power
Modulation Type
Channel spacing
Duo Charger adapter
8
CTCSS 38
446.00625MHz - 446.09375 MHz
Up to 5 Km (Open field)
3 x AA Alkaline or NiMH rechargeable
=< 500mW ERP
FM - F3E
12,5 kHz
Input: 230V AC / 50Hz
Output: 7,5V DC / 200mA
10
Channel Frequency Chart:
CTCSS Code Chart
Channel Frequency
(MHz)
Code
Frequency (Hz)
Code
Freq. (Hz)
Code
Freq. (Hz)
Code
Freq. (Hz)
1
446,00625
0
Disabled
10
94,8
20
131,8
30
186,2
2
446,01875
1
67,0
11
97,4
21
136,5
31
192,8
3
446,03125
2
71,9
12
100,0
22
141,3
32
203,5
4
446,04375
3
74,4
13
103,5
23
146,2
33
210,7
5
446,05625
4
77,0
14
107,2
24
151,4
34
218,1
6
446,06875
5
79,7
15
110,9
25
156,7
35
225,7
7
446,08125
6
82,5
16
114,8
26
162,2
36
233,6
8
446,09375
7
85,4
17
118,8
27
167,9
37
241,8
8
88,5
18
123,0
28
173,8
38
250,3
9
91,5
19
127,3
29
179,9