Setting the Base, Spacing Frequencies and Offset Channel for Motorola
VHF/UHF Trunked Systems
To properly track Motorola VHF and UHF trunked systems you must enter what is known as the base, the spacing frequencies and offset channels for each system.
To find these out, check www.bearcat1.com/free.htm and other web sites and frequency resources.
To enter the Base, Spacing Frequencies and Offset Channel: (You can set up to three sets of these, but almost all systems only use one set)
1.Press MENU/BACK.
2.Select 2:SCAN OPTION / 2:TRUNK by rotating the VFO and pressing E.
3.Select the bank number by rotating the VFO and pressing E.
4.Select 1:TRUNK TYPE /1:ON / 4:TYPE2 UHF or
5:TYPE2 VHF by rotating the VFO and pressing E.
5.Select BASE CONFIG from 1 - 3 by rotating the VFO and pressing E.
6.Enter a new Base Frequency with the keypad.
7.Press E.
The display changes for entering the Spacing Frequency.
8.Enter a new Spacing Frequency with the keypad.
M
406.0000 ENTER FREQUENCY BASE FREQUENCY 1
M
50.0
ENTER FREQUENCY SPACE FREQUENCY1
Note: You can only enter within a range of
9.Press E.
The display changes for entering the Offset Channel.
10.Enter a new Offset Channel with the keypad. The Offset Channel for the first set should be CH380.
Note: You can only input within a range of
M
CH 380 ENTER CHANNEL OFFSET CHANNEL1
11.Press E.
The display changes for entering the Base Frequency.
12.To exit from this mode, press MENU/BACK repeatedly.
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