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Trunk Scanning
10. Use the number keys and • to enter an Upper Frequency, then press
ENT/PGM.
11. Select Offset, and press ENT/PGM.
12. Use the number keys and to enter an Offset Channel, then press
ENT/PGM.
Note: You can input within a range of 0 - 1023 for 800 MHz Custom
trunked system.
13. Select Spacing, and press ENT/PGM.
14. Select a Spacing Frequency, then press ENT/PGM.
Note: You can only select within a range of 12.5 – 100 kHz, and 12.5 kHz
multiples.
15. Press CL. The scanner returns to the previous screen.
16. If you want to program another Custom Range, repeat steps 7 through 15.
Note: Usually, the settings for base frequency, offset channel, and
spacing are common between systems, therefore these settings
are applied to all Motorola 800MHz custom banks.
Motorola UHF / VHF
You can program the scanner to receive transmissions in the UHF band
(406-512 MHz) / VHF band (136-174MHz) of the Motorola trunking system.
You must program the system's base frequency, offset channel, and spacing
frequency.
Notes:
•
Base frequencies, offset channel, and spacing vary for each type of
trunking system. You can get information about these frequencies
for the trunking system you want to scan using www.radioreference.
com, other Internet sources, or locally published guidebooks.
•
If you try to program a base frequency in the 800MHz bands (806-
960 MHz), the scanner ignores the entry.
1. Press ENT/PGM then TRUNK/MODE to enter the ID Programming
Mode.
2. Press FUNC +
or
to select a bank.
3. Repeatedly press FUNC + TRUNK/MODE and select MOT Mode.
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4. Press FUNC + 2. The Custom Range menu appears.
5. Select Base Freq 1/3, and press ENT/PGM. Use the number keys to input
the lower base frequency and press ENT/PGM. Input the upper base
frequency and press ENT/PGM.
Base Freq Notes:
•
Base frequency consists of Lower frequency and Upper frequency.
Upper frequency should input the value subtracted from the next
lower frequency by 1 step.
For example, if you get the following information from
radioreference.com, you can input the Lower and Upper Frequency
into the Base Frequency.
1
Base
451.0000
Offset
560
Spacing
12.5
a. Input the Lower Frequency as 451.000MHz.
b. Input the Upper Frequency as 461.4875MHz (461.5MHz-12.5kHz).
c.
Input the next Lower Frequency as 461.500MHz.
d. If the next Lower frequency isn't defined, input 512.000MHz to
enter the UHF upper limit frequency.
Or you can input only Lower Frequency into the Base Frequency. If
you have inputted the Upper Frequency, enter 0 then press ENT/PGM
to clear it. Then input lower frequencies in ascending sequence.
6. Press CL to return to the Custom Range menu.
7. Select Offset 1/3 and press ENT/PGM. Use the number keys to input the
offset and press ENT/PGM.
8. Press CL to return to the Custom Range menu.
9. Select Spacing 1/3 and press ENT/PGM. Press
spacing and press ENT/PGM.
•
For Motorola UHF system use 12.5kHz spacing between 12.5kHz – 100kHz.
•
For Motorola VHF system use 5kHz spacing between 5kHz – 100kHz.
10. Press CL to return to the Custom Range menu and repeat steps 5-9 for the
other ranges.
Trunk Scanning
2
461.5000
380
12.5
or
to select the
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