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52
Trunking Operation
Notes:
• Base and offset frequencies vary for each type of
trunking system. You can get information about
these frequencies for the trunking system you want
to scan using
www.trunkscanner.com
, other Inter-
net sources, or locally-published guidebooks.
• The scanner automatically decodes subaudible data
it receives in the VHF band.
• If you try to enter an offset frequency in the VHF and
UHF-Hi bands (137–174 and 806–960 MHz), the
scanner will ignore the entry.
Follow these steps to program Motorola trunking fre-
quencies in the UHF-Lo band.
1. Select the bank, then press
PGM
to enter the pro-
gram mode.
2. Store the base frequency into channel 00 of the
bank you selected, then store the trunking frequen-
cies into subsequent channels in the same bank.
3. Press
TRUNK
then repeatedly press
MODE
to select
MO
(Motorola).
4. Press
FUNC
then
9
.
12.5
kHz
(the default offset
frequency) appears.
5. Repeatedly press
FUNC
then
9
to select the offset
frequency you want (
12.5
kHz
,
25.0
kHz
, or
50
kHz
).
Note:
Offset frequencies above 50 kHz do not
appear and are used only for subaudible decoding
mode.
6. Program the trunking frequencies (see “Program-
ming Trunking Frequencies” on Page 50).
Offset Frequency
20-522b.fm Page 52 Thursday, September 7, 2000 9:41 AM