t X 4 5 0 0
I n s t r u c t I o n m A n uA l
PA G E 9
Channel
Selected
Receive
Channel
Transmit
Channel
1
1
31
2
2
32
3
3
33
4
4
34
5*
5*
35*
6
6
36
7
7
37
8
8
38
41
41
71
42
42
72
43
43
73
44
44
74
45
45
75
46
46
76
47
47
77
48
48
78
*Emergency channel only
To enable Duplex on a Repeater channel
1. select the required repeater channel (1-8, 41-48).
2. Briefly press the
DUP
key. the duplex symbol
will appear on the display accompanied by a
high beep.
To remove Duplex from a Repeater channel
1. select the required repeater channel (1-8, 41-48). If
duplex is currently selected, the
duplex symbol
will be displayed.
2. Briefly press the
DUP
key. the duplex symbol
will disappear from the display accompanied by a
low beep.
IMPORTANT:
channels 1-8, 31-38, 41-48 and 71-78
should only be used in simplex mode if there are no
repeaters in or near your location that operate on
the selected channel. In particular, avoid operating in
simplex mode on any of the repeater input channels
31-38 and 71-78 unless you are absolutely sure that
there are no repeaters in range using that channel.
Inadvertently transmitting on an active repeater input
frequency in simplex mode could cause interference to
other users on that repeater that would not be audible
to your radio.
PRIORITy CHaNNELS
the Priority channel feature allows you to instantly
recall any of the 80 channels in your radio. this feature
can be used to provide instant access to your working
channel or your local repeater channel at the press of a
key. It can also be used in conjunction with the Group
scan function.
Your tX4500 has provision for two separate
Priority channels.
To Store Priority Channel 1
1. select the required channel.
2. Press and hold the
PRI
1
key. the channel number
will flash then a high beep will be heard as the
channel is stored. 'PrI-1' will be displayed briefly.
To Store Priority Channel 2
1. select the required channel.
2. Press
F
then immediately press and hold the
PRI 2
key. the channel number will flash then a high beep
will be heard as the channel is stored. 'PrI-2' will be
displayed briefly.
To Recall Priority Channel 1
1. Briefly press the
PRI 1
key. the radio will
immediately switch to the Priority 1 channel and 'PrI-
1' will be displayed briefly.
To Recall Priority Channel 2
1. Press
F
then briefly press the
PRI 2
key. the radio
will immediately switch to the Priority 2 channel and
'PrI-2' will be displayed for a few seconds.
NOTE
:
If the radio was scanning when either of the
Priority channels were selected, the scan will
be cancelled.
SCaNNING
Your radio incorporates a scan function that allows a
selected group of channels to be scanned for activity.
channels are scanned at a rate of 20 channels per
second. If a signal is detected on a channel, the scan
will pause to allow the signal to be heard. once the
channel has been clear for 5 seconds the scan
will resume.
Scan Groups
Your radio supports two scan groups –
Open Scan
and
Group Scan.
