Radio Shack 20-164 Scanner User Manual


 
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Fleet Maps
For Motorola Type I and hybrid systems, you
must program a eet map before saving Talk
Group IDs.
To program a eet map:
1. Press PGM then TRUNK.
2. Press FUNC, then press or to select
the bank.
3. If necessary, repeatedly press MODE to
select “Motorola.”
4. Press FUNC, then press 8. “Size Code
Setting” appears, with Block 0 selected.
5. Enter the size code for Block 0, supplied
with the Type I system information, or try
one of the following common eet maps.
Size
Codes
BLOCKS
0 1 2 3 4 5 6 7
1
S11 S11 S11 S11 S11 S11 S11 S11
2
S4 S4 S4 S4 S4 S4 S4 S4
3
S4 S4 S4 S4 S4 S4 S12 ––
4
S12 –– S4 S4 S4 S4 S4 S4
5
S4 S4 S12 –– S4 S4 S4 S4
6
S3 S10 S4 S4 S12 –– S12 ––
7
S10 S10 S11 S4 S4 S4 S4 S4
8
S1 S1 S2 S2 S3 S3 S4 S4
9
S4 S4 SO SO SO SO SO SO
10
SO SO SO SO SO SO S4 S4
11
S4 SO SO SO SO SO SO SO
12
SO SO SO SO SO SO SO S4
13
S3 S3 S11 S4 S4 SO SO SO
14
S4 S3 S10 S4 S4 S4 S12 ––
15
S4 S4 S4 S11 S11 SO S12 ––
16
S3 S10 S10 S11 SO SO S12 ––
For Motorola Type II, enter 15.
6. Press ENT. The next block appears.
7. Repeat steps 5-6 for each block. If you make
a mistake, press CL and enter the correct
size code.
Base and Offset Frequencies
To receive Motorola VHF and UHF system
transmissions, you must program applicable
base and offset frequencies. In the 800 MHz
trunking band, you can select a base frequency
(normal or offset), but in the 900 MHz trunking
band, you do not need to set the base
frequency.
You can get information about base and offset
frequencies from www.trunkscanner.com.
UHF-Lo (406-512 MHz)
To program Motorola base and offset
frequencies:
1. Press PGM then TRUNK to enter the ID
program mode.
2. Press FUNC, then press or . The bank
number increases or decreases by one. If
you hold down or , the bank number
increases or decreases continuously.
3. If necessary, repeatedly press MODE to
select “Motorola.”
4. Press FUNC then 2. The screen displays the
Base, Offset, and Step with the B in Base
blinking.
5. If necessary, use the number keys to enter a
new Base frequency and press ENT. The O
in Offset blinks.