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Call Button (8)
When the call button is pressed, the FR-141 will transmit a 3-second ringing
sound to other transceiver’s tuned to the same channel. This feature can be
used to signal other parties that voice communication is desired. The call icon
(
) appears on the LED display while the call tone sounds.
Low Battery Alert
When the battery level becomes low, the battery icon (
) flashes. In this case,
recharge or replace the batteries with new ones.
Monitor Button (M)
You can monitor channel activity by pressing the Monitor (M) button (2). If pressed
for more than 2 seconds, you can continuously monitor channel activity. Press
again, and channel activity monitoring is disabled.
Function Select (F) Button
Pressing the Function button will allow selection of frequency channels, as well
as selection of the various unit functions. Each press permits selection of the
desired channel (1–14), Scan, Dual Watch, VOX, Roger Beep and Beep Tone
functions. This button also activates the Key lock feature (
) when pressed and
held for more than 2 seconds.
Channel Selection
Press function button once until large two-digit channel display flashes. Press
Up (
) or Down ( ) buttons to select desired channel (1–14).
Channel Scanning
Press the Function (F) button two times until the SC icon flashes. Press the Up
( ) button to enable the Scan function in the upward channel direction. Press
the Down (
) button to enable the Scan function in the downward channel
direction. Once selected, the Scan icon (SC) will appear steadily on the display.
While in Scan mode, the unit will pause on any active channel for 5 seconds,