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© 1998 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
2
INTRODUCTION
Your RadioShack CB/Ham Field-Strength SWR Meter helps
you tune your CB or amateur radio system for the best per-
formance.
CB and amateur radio systems work best when the antenna
system’s impedance matches the transmitter’s output im-
pedance as closely as possible. The meter’s standing wave
ratio (SWR) function helps you trim your antenna to the pre-
cise length you need for the maximum transmitted power.
The meter’s field strength function helps you position your
antenna for the best coverage and determine the effective-
ness of changes you make to your antenna, antenna cable,
and transmitter.
Carefully read all of these instructions to get the best use
from this meter.
Warning:
You can use this meter to make measurements
on equipment that uses high voltages. Carefully observe all
safety precautions provided with the equipment you are test-
ing.
Note:
You need a separate 50-ohm coaxial cable (such as
RG-58U) with a PL-259 connector connected to both ends
(such as Cat. No. 278-968, not supplied), long enough to
reach from your radio’s antenna jack to the back of the
meter.
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