Transmitting A Signal; Changing Channels; Ctcss (Continuous Tone Coded Squelch System) - UCOM TwinTalker 4700 Manuel D'utilisateur

13.4 Transmitting a Signal

Monitor Monitor
TX
RX
APO VOX VOX
+
To check the channel activity use the monitor function (See 13.11).
The maximum transmitting time is limited to 1 minute. Release and
press PTT - button

13.5 Changing Channels

Monitor Monitor
TX
RX
APO VOX VOX
+

13.6 CTCSS (Continuous Tone Coded Squelch System)

The 2 digit CTCSS code corresponds to a specific tone frequency the radio emits. Two users,
with the same channel and CTCSS set can hear one another.They will not be able to hear
anyone else on the channel unless the other radios have the same exact CTCSS code
enabled. The Twintalker 4700 has 38 CTCSS codes available.
Monitor Monitor
TX
RX
APO VOX VOX
+
• Any PMR set on the same channel can receive and listen to the
conversation, also when the other use a CTCSS code.
• To disable CTCSS code, set the code to '00'.
UCOM Twintalker 4700
• Press and hold the PTT - button
symbol is displayed.
• Hold the unit in a vertical position with the MICROPHONE 10cm
from the mouth and speak into the microphone.
• Release the PTT - button
transmitting.
12 to restart transmitting.
• Press the - button
flashes on the display.
• Press the - button
channel.
• Press the PTT - button
mode.
• Press the - button
flashes on the display.
• Press the - button
another code
• Press the PTT - button
mode.
12 to TRANSMIT. The TX
12 when you want to stop
4
once, the current channel number
10 or the - button
12 to confirm and return to stand-by
4
twice, the current CTCSS code
10 or the - button
12 to confirm and return to stand-by
UCOM Twintalker 4700
5
to change the
5
to change to
11