User manual
ENGLISH
9
Twintalker RC-6405
13.15 Button Lock
• Press and hold the -button
7
for three seconds to
activate the Button lock mode. The button lock icon is
di
splayed on the LCD Screen.
• Press and hold the -button
7
again for three seconds
deactivate button lock
The -button , the -button and the -button will still
be functional when the Button Lock is activated.
PTT
12
6
1
13.16 Display back light
To activate the backlight of the LCD displ
ay, press any button except the
PTT
- button
12
or the
button
6
.
The LCD backlight will light up for 6 seconds.
14 Earpiece connection
The connector is located on the upper side of the unit
2
.
Insert the earpiece plug into the connector (2,5mm jack).
The small button on the earpiece has the same function as the
PTT
- button
12
on the unit
When you use the
PTT
- button
12
from the Earpiece, you must also use the microphone from
the earpiece to talk into
Do not connect other earpieces. This may damage your device.
.
15 Troubleshooting
No power Clean the battery contacts with a soft cloth.
Replace the batteries.
No transmission Make sure the
PTT
- button
12
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
d
uring 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
distan
ce between 2 units is 1,5m.
16 Technical specifications
Channels
Sub-code
Frequency
Range
Battery
Transmission Power
Modulation Type
Channel spacing
Duo Charger adapter
8
CTCSS 38 / DCS 83
446.00625MHz - 446.09375 MHz
Up to 10 Km (Open field)
4 x 1.2 V NiMH rechargeable
=< 500mW ERP
FM - F3E
12,5 kHz
Input : 230V AC / 50Hz - Output : 9 V DC / 300mA
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










