User guide
10 Topcom Twintalker 3800
Topcom Twintalker 3800
When the Dual Channel Monitor function is activated, the PMR will switch sequentially
between the standby channel + CTCSS and the Dual Channel + CTCSS.
When there is activity on the Dual Channel + CTCSS, the active channel will be displayed
for 5 seconds after the activity has ended. Within this period, you have the posibility to answer
the transmission.
14.14 Chronometer
The Twintalker 3800 has a chronometer function (mm:ss).
14.15 Display back light
To activate the backlight of the LCD display, press any button except the - button or
the button .
The LCD backlight will light up for 5 seconds.
15 Earpiece connection
The Twintalker 3800 can be used with the included earpiece.
The connector is located under the protective rubber cover on
top of the unit
.
To attach the earpiece, remove the rubber flap to expose the
connector.
Insert the earpiece plug into the connector (2,5mm jack).
• Press and hold the - button for 3 seconds. The counter
is displayed.
• Press the - button to start counting.
• Press the - button again to stop counting and see the lap
time. The counter continues in the background. Press the -
button
to proceed counting.
• When the counter is stopped, press the - button to reset
the counter.
• Press and hold the - button
for 3 seconds to go back to
stand-by.
VOX
SCAN
DCM
6
11
11
11
7
6
10
7
15
2
Do not connect other earpieces. This may damage your device.