Troubleshooting; Technical Specifications - Topcom Twin Talker 3800 User Manual

16 Troubleshooting

No power
No transmission
No reception
Limited Range and noice during
transmission
Interference

17 Technical specifications

Channels
Sub-code
Frequency
Range
Batteries
Transmission Power
Modulation Type
Channel spacing
Duo Charger adapter
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
Clean the battery contacts with a soft cloth.
Replace the batteries.
Make sure the
completely before you speak.
Monitor the channel activity and switch to another
channel if the current is used.
Check the speaker volume.
Make sure that you are in the reception range of
the sender and change if necessary your location.
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.
The receiver and transmitter are too close. The
mimimum distance between 2 units is 1,5m.
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
- button
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
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
is pressed
10
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
11