43
If you do not need to scan, you can delete all channels other than the current channel. If you want to
preferentially hear the activities on a channel, you can select the channel, and then select S
et PrioCH-1
or
Set PrioCH-2
.
8.4.2 Trunking Mode
8.4.2.1 Pre-registration Hunt
Before registering, the radio hunts through the control channels for available BSs. Two hunting plans are adoptable:
Fixed Trunking Station Control Channel (Fixed TSCC) and Flexible Trunking Station Control Channel (Flexible
TSCC). If the radio has unified frequency plans, it uses the Fixed TSCC; otherwise, it uses the Flexible TSCC. With
the Fixed TSCC preset, you can select the hunt modes as listed in the following table.
Hunt Mode
Description
Operation
Short Hunt
This feature allows the radio to hunt the fixed TSCC in
the defined hunt list.
Go to
Menu
>
Scan
>
TSCC Hunt
,
select
Short Hunt
,
Comprehensive
,
or
Team1
, and then press the
OK/Menu
key.
Comprehensive
Hunt
This feature allows the radio to hunt all the channels
within the preset frequency range.
Team Hunt
This feature allows the radio to hunt the fixed TSCC in
the defined team hunt list.
8.4.2.2 Post-registration Hunt
After successful registration, you can hunt again by pressing the preprogrammed
Manual Current Hunt
key. To
ensure seamless communications, you can enable the hunt modes as listed in the following table.
Hunt Mode
Description
Operation
Background Hunt
This feature allows an idle radio to keep detecting the
signal strength of the BS with which it registers. If the
signal strength goes below the threshold level preset by
the dealer, the radio will automatically hunt for an
adjacent BS with stronger signal strength and register
with it.
Go to
Menu
>
Scan
, and then
press the
OK/Menu
key to
enable
Background Hunt
,
Home Sta. Hunt
,
or
Handover
.
Содержание HM78X
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