PRO-163/PRO-164
CPU 1.06 Firmware Upgrade
Upgrading your 20-163 or 20-164
Upgrading your scanner is a quick, simple, a
nd safe process. There is no way you can
render your scanner inoperable by performing the firmware upgrade.
Before upgrading
Prepare for the upgrade by completing the following:
1. Download the 20-163/20-164
firmware upgrade package.
2. Install the drivers for the RadioShack Catalog #20-047 cable on your personal
computer.
3. Connect the USB cable to an availabl
e USB port on your personal computer.
4. Know the COM port number
that Windows has assigned to
the USB cable. You can
find the COM port number from Devi
ce Manager in Control Panel.
Step by step upgrade procedure
1. Upgrading your scanner will result in t
he loss of any programming that you have
stored. We recommend that you save y
our work before proc
eeding with the upgrade
using a third-party scanner programming softw
are. For more information, see the
“Setting the custom programmable trunk
ing tables using third-party scanner
programming software”
section below.
2. There are two versions of CPU firmware:
• 20-163_164_v106_BOOT100.EXE works with earlie
r versions that utilize Boot
Version 1.00.
• 20-163_164_v106_BOOT101.EXE works with more
recent versions of that utilize
Boot Version 1.01.
To determine which version you should use,
turn your radio off, hold down the
PGM
key, then turn the radio on again. Refer to the
“uP Boot Ver:”
line at the top of the
display to determine the boot ve
rsion used in your radio.
3. Double click on the correct upgrade file
to start the upgrade process. Follow the on-
screen instructions exactly.
4. When the upgrade is complete, disconnect
the USB cable from the scanner. Turn
the scanner off, hold down the
PGM
key, then turn the sc
anner on again. Confirm
that the radio now reports the CPU version
as 1.06. Turn the radio off then on again
to reset it.