GME TX4500S - Manual (Page 12)

PA G E 1 2 I N S T R U C T I O N M A N UA L T X 4 5 0 0 S
Repeat to add or remove other channels in the scan
memory.
Select your Priority channel
Program your Priority channels as described earlier
under ‘Priority Channel’ then select which of the
two Priority channels you wish to use for this Group
Scan session. You must select your preferred Priority
channel prior to scanning.
• Press the PRI 1/PRI 2 key to use Priority
channel 1.
• Press F then the PRI 1/PRI 2 key to use Priority
channel 2.
To Begin Scanning
Press the SCAN key. A high beep will be heard and
the
icon will animate. During this time the
channel numbers will change rapidly as the channels
are scanned with the Priority channel will be
scanned every fourth channel. During this time the
display will show ‘GS-XX’ where ‘XX’ is your selected
Priority channel.
If a signal appears on the Priority channel – at any
time – the radio will switch directly to the Priority
channel. The radio will now stay on the Priority
channel for as long as the channel remains busy.
During this time you can transmit and receive on the
Priority channel. Once the Priority channel has been
clear for 5 seconds the radio will resume scanning
the other channels.
If a signal appears on any other channel, scanning
will pause on that channel and will remain there
while the channel is busy – as long as there are no
signals on the Priority channel. During this time, the
receiver will continue to check the Priority channel
every 2 seconds resulting in a series of small breaks
in the reception of the busy channel. Once the
signal has gone and there has been no activity on
any channel for 5 seconds, the radio will resume
scanning.
To transmit on the Priority channel at any time,
simply press the PTT. The radio will switch straight
to the Priority channel. When you have finished your
conversation and there has been no further activity
for 5 seconds, the radio will resume scanning the
other channels.
If the scan pauses on a busy channel and you don’t
wish to listen to that conversation, press the SKIP
key on the microphone to temporarily skip that
channel and resume scanning (see Auto Skip on
page 10).
If the radio is paused on a busy channel and you
want to remain there, briefly press the SCAN
key. The radio will exit Scan and remain on the
busy channel. At this point you will no longer be
monitoring the Priority channel.
To resume Group scanning press the SCAN key
again.
ADDITIONAL OPEN/GROUP SCAN
OPTIONS
By default your radio has one Open Scan mode and
one Group Scan mode. There may be applications
where you have no need to monitor a Priority
channel and would prefer to have two separate
Open Scan modes.
Alternately you may prefer to have two separate
Group Scan modes with different Scan channels in
each. Your radio can be programmed to convert the
Group Scan into an Open Scan and vice versa. If
this is required, please contact your GME retailer to
arrange for this feature to be activated.
When two Open Scan or two Group Scan modes are
enabled, the Scan Group selection screen will display
Open1 and Open2 for the Open Scan groups or
GRP1 and GRP2 for the Group Scan groups. See the
section ‘Scanning’ on page 10.
NOTE: Enabling or disabling a second Open or
Group Scan mode is not a user selectable option.
Once enabled or disabled, the new Scan mode
becomes a permanent part of your radio’s features.
If you decide later that you need the original Scan
mode settings restored you will need to return your
radio to your GME retailer for re-programming.
NETWORK SCAN (NET-SCAN)
Net-Scan allows a group of radio users to maintain
communications even when the band is congested.
To achieve this all members of the Net-Scan group
must share a common CTCSS/DCS code and a
common set of scan channels.
Once activated, Net-Scan’s intelligent scanning
software keeps track of clear channels within
your scan group. When any member of the group
transmits, their radio automatically selects a clear
channel to transmit on. Other radios scanning
in the same Net-scan group will lock onto that
channel allowing all members of the group to join
the conversation. If a signal from outside your
Net-Scan group appears on the chosen channel
(either with no code or the wrong code), the group
will automatically switch to a new clear channel at
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