UCOM Twintalker 4700 11
UCOM Twintalker 4700
ENGLISH
13.4 Transmitting a Signal
13.5 Changing Channels
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.
• Press and hold the PTT - button to TRANSMIT. The TX
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 when you want to stop
transmitting.
• Press the - button once, the current channel number
flashes on the display.
• Press the - button or the - button to change the
channel.
• Press the PTT - button to confirm and return to stand-by
mode.
• Press the - button twice, the current CTCSS code
flashes on the display.
• Press the - button or the - button to change to
another code
• Press the PTT - button to confirm and return to stand-by
mode.
+
APO VOX
12
12
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 to restart transmitting.
12
+
APO VOX
4
10
5
12
• 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’.