QUIET MODE (Q)
Your TX3420 can be set to monitor signals on a busy
channel but remain quiet unless it receives its own Selcall
Ident. In this way, you won’t be disturbed unless someone
calls you. When a signal containing your Selcall Ident is
received, QUIET mode is deactivated and an alarm sounds
to alert you to the call. You can then converse normally on
the channel.
To use QUIET mode
Please refer to the QUIET Mode section on page 11.
Note: QUIET mode overrides the normal Squelch system to
ensure that the radio remains quiet even when the channel
is busy. When QUIET is set, you may see the ‘BUSY’ icon
appear on the display indicating the channel is being used.
However, unless someone transmits your Selcall Ident,
nothing will be heard in the speaker.
You can activate QUIET mode on individual channels i.e.
some channels can be set to remain quiet while others can
remain open to all incoming signals.
TIP: Setting QUIET mode is not mandatory. You can still
use Selcall on any channel whether the QUIET mode is set
or not.
SELCALL MEMORIES
Your TX3420 is fitted with one Call memory and 10 Selcall
Ident memories. The 10 Selcall Ident memories are used
to store frequently used Selcall Idents. The additional Call
memory holds the Ident you last sent or received. The
memories can be viewed by briefly pressing the CALL key.
The initial memory displayed is the Call memory. Rotating
the Channel knob will step through the other 10 Selcall
storage memories in sequence. Selcall memories are
labelled ‘c0’ to ‘c9’.
uSINg SElCall
ENTERING A SELCALL IDENT
1. Press the CALL button. ‘CALL TO’ is displayed, along
with the last sent or received Selcall Ident.
Note: If an ALPHA label is displayed you will need to
switch to NUMERIC Mode. To toggle between ALPHA mode
and NUMERIC mode, briefly press the F key followed by the
ALPHA key. A high beep indicates ALPHA mode is selected
while a low beep means the NUMERIC mode is selected.
2. Enter the required Selcall ident as follows:
(a) Press and hold the Channel knob until the radio
beeps. The right-hand digit of the Selcall Ident
will flash.
(b) Rotate the Channel knob to select the required
number in the flashing digit position.
(c) Briefly press the Channel knob again to select the
next digit position.
(d) Repeat steps (b) and (c) to enter all 5 digits as
required. The Selcall number is now ready to send.
SENDING SELCALL
With the Selcall number displayed, press and hold the CALL
button for 2 seconds. A long beep will be heard and the
radio will transmit the Selcall Ident.
Note: If the call is not sent within 10 seconds of entering
the last Ident digit the call mode will time out and the radio
will return to normal mode. To exit CALL TO mode without
sending the Selcall briefly press the CALL button.
CALL ACKNOWLEDGE
If your Selcall transmission is successful, the radio you called
should respond with an ‘acknowledge’ signal - usually two
quick beeps. This will confirm to you that the radio you
called is now alerting its user to your signal.
STORING SELCALL IDENTS
Your TX3420 is fitted with 10 user programmable Selcall
Ident memories, allowing you to store up to 10 frequently
used Selcall Idents. The memories are accessed by pressing
the CALL button, then rotating the Channel knob to scroll
through the memories. Ident memories are labelled ‘c0’
to ‘c9’.
To Store a Selcall Ident in memory
1. Press the CALL button to select the CALL TO mode.
‘CALL TO’ is displayed along with the last sent or
received Selcall Ident.
2. Rotate the Channel knob to select the required Ident
memory (locations ‘c0’ to ‘c9’).
TIP: If the radio displays letters instead of numbers in the
Selcall Ident position, your radio is in ALPHA mode. To
switch back to NUMERIC mode, briefly press the F key
followed immediately by the ALPHA key. A low beep will
be heard and ’NUMER’ will be displayed for a few seconds
in the Ident position.
3. With the required memory location displayed, enter the
Selcall ident as follows:
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