User's Manual Part 1

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When Using the Handset:-
Press and hold down the PTT (transmit) button only while talking
Hold the microphone close to your mouth
Speak clearly
Use the word ‘over” to indicate you have finished speaking and release the PTT (transmit)
button.
Note:- the PRC-2090 has a transmit “time-out” facility. This facility (when programmed)
allows the transmitter to be keyed in transmit mode with the PTT (transmit) switch for a
set time period, after which the transceiver switches to receive until the PTT (transmit
button is released and re-keyed. This facility prevents the transmitter transmitting for long
periods of time if, for instance, the microphone becomes jammed between seats in a
vehicle causing the PTT (transmit) switch to be held down.
Note:- Enabling, disabling and changing the time of the transmit timeout facility can
be set either when programming the transceiver or in the “General ” section of the
protected menu.