Audiovox FR-540 Two-Way Radio User Manual


 
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), up to 38 CTCSS channel codes, beep tone, scan,
VOX and Dual Watch functions. This button also activates the Key lock
feature when pressed and held for more than 2 seconds.
Channel and CTCSS Selection
Press function button until large two-digit channel display flashes. Press Up
( ) or Down ( ) buttons to select desired channel (1–14). To select a CTCSS
channel code, press function button until small two-digit display flashes.
Then press Up or Down button to select desired code (1-38) in that channel.
The CTCSS primary code feature allows you to ignore transmissions from
other transceivers that are using the same channel. However, the same
code must also be selected on those transceivers with which you desire com-
munication. In addition, this feature does not prevent others from listening to
your transmissions.
Beep Confirmation Tones
Whenever the Up/Down or Function (F) select button is pressed, the speaker
will sound a beep tone to confirm each press, provided the key tone
feature is enabled. The unit will also transmit a beep tone sequence
after each transmission to signal the receiving party that transmission
has ended. This tone is called a “Roger Beep”. To disable the key tones
and “Roger Beep”, press Function button until the Beep Tone icon flashes.
Then press Up ( ) or Down ( ) buttons until the icon disappears. No beep
tones should be heard. To enable the key tones and “Roger Beep”, proceed
as before, until Beep Tone icon appears flashing. Then press Up ( ) or
Down ( ) button. The key tone icon will remain displayed and beep tone will
be heard. When increasing the volume or channel number, the tone will be
higher than when decreasing the volume or channel number.
Channel Scanning
Press function button repeatedly until the SCAN icon flashes. Press the Up
-10-
FUNCTIONS