Audiovox FR548-2CH Owner's Manual page 7

Two way family radio
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m FUNCTIONS
Function (F) Select Button (12)
Pressing this button will allow selection of frequency channels as well as selec-
tion of the various unit functions.
Each press permits selection of the desired
channel (i-14),
Continious Tone Coded Squelch System (CTCSS), beep tone,
scan, and Dual Watch mode.
This button also activates the Key lock feature
when pressed and held for more than 2 seconds. The Key lock icon ( q
)
appears on the display. To unlock this function, press and hold the function button
for 2 seconds.
Channel Selection
Press function button once or until large two-digit channel display flashes.
Press
Up or Down buttons (10, 9) to select desired channel (1-14). Press the monitor
button again to confirm and fix channel selection.
CTCSS Mode (Sub-Channel)
Selection
The CTCSS provides 38 Sub-Frequencies
to allow you to utilize the coded squelch
tones (00-38).
In order to communicate
with another party on the same main
channel and the same subcode must be used. This filters out unwanted trans-
missions without the same coded squelch tone. Since there are 38 CTCSS Sub-
channels for each main channel, a different subcode may be selected for each of
the 14 channels.
To change the CTCSS Sub-channel,
- Press the Function (F) button twice or until the sub-channel number to the
JOTE:
To communicate
with other FRS units, they must be switched to the
same channel and CTCSS subcode. To communicate
with other FRS
units that do not have subcodes, switch your unit to the same channel
with the subcode set to 00.
The CTCSS subcodes do not prevent others from hearing your trans
mission. This will only allow you to ignore all traffic on a given channel
not using the same subcode.
Beep Confirmation/
"Roger Beep" Tones
Whenever the Up/Down or function select buttons'are
pressed, the speaker will
sound a beep tone to confirm each press, provided the key tone feature is en-
abled.
This also controls the "Roger Beep" function. This is a tone which is
automatically transmitted
whenever the PTT button is released. This alerts the
ceiving
party that your transmisssion
has been ended intentionally. Press the
nction (F) button three times to access the beep tone feature. To disable the key
ne:
- Press the F button until the Beep Tone icon ( A
) flashes; On appears
on the display.
- Then press Up or Down buttons until OF appears and icon disappears.
No beep tones should be heard.
To enable the key tone, proceed as before, until OF appears and Beep Tone
icon flashes. Then press Up or Down button so that On appears.
Key tone icon
is steady and beep tone is heard.
Channel Scanning
Press function button four times until the SCAN icon flashes; OF will also appear
right of the main channel number begins tlasnrng.
- Then
press
the Up or Down button to select the desired sub-channel for-
on tne UrSPtaY. Press the Up or Down button to enable the Scan function; On will
appear, but the SCAN icon will still flash.
use.
-
While the SCAN icon
is
flashing, press the CALL button; channel scan wilt
- Press the monitor button momentarily
to Confirm
SektiOn.
commence in the upward direction and then repeat. If and active channel is
I
encountered,
scan will pause on the active channel for 5 seconds, and
The CTCSS mode can be turned off by accessing
the flashing
subchannel
numberCTCSS
icon and using the Up or Down button to select 00 as the tone
code frequency; then press monitor again.
-12-
then proceed to the next higher channel.
-
To interrupt scan, press the CALL button; the SCAN icon will again flash. A
call tone will be
Sent
on the primary channel of the unit. The unit will remain
on this channel for 15 seconds and scanning will resume.
-13-

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