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Syn-Tech III P25 Mobile Radio
OPERATION MANUAL
680-090-2041
Version 5.0
http://www.midlandradio.com
17
4.1.5 Transmitting to Other
Radios
The radio channel may be configured
to transmit in analog mode, digital
mode or to allow you to select either
analog or digital mode. A default
mode is chosen by radio
programming. The default mode is
used each time the channel is
selected or radio is turned on with the
channel selected. The other available
modes may be chosen by successive
short presses of the Power
Adjust/Mode Change key.
4.1.5.1 Analog Transmissions
1. Press the (Power
Adjust/Mode Change) key
repeatedly until analog transmit
mode is displayed. Depending on
channel programming, the analog
transmit mode may display as
carrier squelch (
), CTCSS
squelch (
) or CDCSS squelch
(
).
2. Ensure that the channel is clear.
3. Press and hold the push to talk key
(PTT). The Transmit/Receive LED
will light red while transmitting.
4. Hold the microphone approximately
two inches from your mouth and
speak in a clear, normal voice.
Keep the PTT switch pressed until
you have finished speaking.
5. Release the PTT switch to return to
standby mode and receive any
reply.
Short press
of Mode
Change key
selects
digital mode
Short press
of Mode
Change key
selects
analog
mode
Figure 4.10 – Transmit mode selection
Figure 4.13 – CDCSS transmit display
Figure 4.11 – Carrier transmit display
Figure 4.12 – CTCSS transmit display