4. Receiving/transmitting communications:
The devices are in 'Reception' mode when lit up, i.e. they are
ready to receive a call or sound transmitted on the activated
frequency.
When you press the Call tone button (
12
), the device
switches to 'Transmission' mode. You are then
transmitting a sound signal to the other device.
To send a voice message, press the
PTT
button (
15
)
and speak into the microphone (
10
). Continue to
press the button until you have finished
transmitting your message.
Hold the microphone a minimum of 5 cm from your face.
Note
:
- The other device must be set to the same channel and have
set the same CTCSS code(see point 7)
- When the transmission is complete and the
PTT
button (
15
)
is no longer held down, the other device will emit a sound
(BEEP) to indicate that this device is ready to transmit.
5. Changing Channels
Press the
MENU
button (
11
)once, the current
channel number flashes on the display.
Press the -
▲
button (
4
) or the -
▼
button (
7
) to
change the channel.
Press the
PTT
- button to (
15
) confirm and return to
stand-by Mode.
Note
:If no button is pressed within 15 seconds during setting,
the unit will return to standby.
6.CTCSS (Continious Tone Coded Squelch System)
License free radio's operating on the 400~470 MHz
frequency band, like the Twintalker , have 8/20/22 available
radio channels. If there are many
radio's
users in your
neighborhood, there is a chance that
