Audiovox FR-230 - Manual (Page 11)

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To Receive.
1. Set the desired channel.
2. Adjust the volume control to the desired listening volume by
using the up and down buttons while listening to the button
conformation tones
3. The transceiver will play strong signals through its internal
speaker or through a headset if so equipped.
To Transmit
1. Set the desired channel.
2. Press and hold the P (Push-to-Talk) button while speaking slowly
and clearly in a normal voice, approximately 2 to 3 inches
from the microphone.
3. The transmit indicator will illuminate while transmitting.
4. Release the P (Push-to-Talk) button when you finish speaking
to receive incoming signals.
Monitor Function
The monitor button can be used to play all signals present on a
channel. This is useful when communicating with other parties at
extreme range.
The monitor function can be locked on by pressing its button for
three seconds. When the monitor lock has been activated, the
LED display will flash and a conformation tone will be heard.
Pressing the monitor button a second time will unlock the monitor
function.