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BARRETT PRC-4090 TACTICAL HF SDR TRANSCEIVER - BASIC OPERATION
Making a Voice Call
Press To Talk
(PTT) Button
Microphone
Speaker
When Using the Microphone:
1.
Press and hold the PTT (transmit) button only while talking
2.
Position the microphone close to your mouth
3.
Speak clearly
4.
Use the word ”over” to indicate that you have finished speaking, and then
release the PTT (transmit) button.
Notes:
•
The Barrett PRC-4090 has a transmit time-out facility. This facility (when pro
-
grammed) 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 example,
the microphone becomes jammed between seats in a vehicle causing the PTT
(transmit) switch to be held down. Enabling, disabling and changing the time
of the transmit timeout facility can be set either when programming the trans-
ceiver or in the RF Section of the Settings menu. See
•
The microphone up / down buttons can be configured for channel change or
volume control functions either when programming the transceiver or in the