Manual

T X 3 42 0 I N S TR U C T I ON M AN UAL PAG E 7
SELECTING A SCAN GROUP
To pre-select a scan group
The radio is initially set to Open Scan mode. To change to
Group Scan mode, press the F key then the OS/GS key to
select Group Scan.
PROGRAMMING SCAN CHANNELS
Your TX3420 is supplied with all 80 UHF CB channels
programmed into the Open Scan memory. Any channels
not needed, can be removed if required. The Group Scan
memory is empty by default and you will need to add
channels to it before use.
To add or remove channels from either
scan memory:
1. Ensure that the radio is not already scanning. If it is,
briefly press the SCAN key to cancel the scan function.
2. Ensure you have the required scan group pre-selected.
3. Select the required channel by rotating the
channel knob.
• If ‘M’ is visible to the right of the channel number,
the selected channel is already in the scan memory.
To remove the selected channel, press and hold the
SCAN key for a few seconds until a beep is heard.
‘M’ will then disappear indicating the channel is no
longer in memory.
• If ‘M’ is not visible, then the selected channel is not
in the memory. To add the selected channel, press
and hold the SCAN key for a few seconds until
a high beep is heard. ‘M’ will now appear.
4. Repeat step 3 to add or remove other channels in the
scan memory.
To start scanning
To begin scanning, briefly press the SCAN key. A high
beep will be heard, ‘SCAN’ will appear in the display and
the radio will begin scanning. In addition the selected scan
group will be displayed below the channel number.
Note: If there is only one channel programmed into the
Open Scan memory or none in the Group Scan memory,
a long low beep will be heard when you press the SCAN
key and the command will be ignored.
To stop scanning
To cancel the scan, briefly press the SCAN key. A low beep
will be heard and ‘SCAN’ will disappear from the display.
OP EN scAN MODE
USING SCAN IN THE OPEN SCAN MODE
• If a busy channel is found, scanning will pause on that
channel to allow the signal to be heard and will remain
there for as long as the channel remains busy. Once
the channel has been clear for 5 seconds, scanning
will resume automatically.
• If your radio pauses on a busy channel and you don’t
wish to listen to that conversation, briefly press the SKIP
button on the microphone. The radio will skip over that
channel and resume scanning from the next channel in
the sequence.
• If your radio is paused on a busy channel and you wish to
remain there, briefly press the SCAN key. The radio will
exit Scan mode and remain on the busy channel.
• To transmit while paused on a busy channel, simply
press the PTT button. The radio will exit Scan mode and
remain on the busy channel. You can now converse on
that channel in the usual way. When you have finished
your conversation, briefly press the SCAN key to
resume scanning.
• If your radio is scanning and you need to use your
Priority Channel (for an urgent call or an emergency),
briefly press the PRI key. The Scan mode will be
cancelled and the radio will jump straight to the
Priority Channel.
Note: In Open Scan mode your TX3420 will not allow you
to transmit while it is scanning. If the PTT button is pressed
while scanning, the radio will give a low beep and will
ignore the command. Your radio will only transmit while
it is paused on a busy channel.
GROUP sc AN MODE
Group Scan allows you to transmit and receive normally on
your Priority (working) Channel, while continuing to scan
several other channels. The receiver will scan the other
channels ONLY WHILE THERE ARE NO SIGNALS ON
THE PRIORITY CHANNEL.
If a signal appears on the Priority Channel it will override
any signals being received on any of the other channels.
In addition, if you press the PTT button at any time, the
radio will transmit on the Priority Channel in the usual way.
SETTING UP THE GROUP SCAN
Referring to the appropriate sections of this manual:
1. Pre-select the Group Scan mode.
2 . Store your preferred working channel into the Priority
Channel memory (see Priority Channel on page 4).