User Manual

PSR-410 O/Manual
The antenna
connector on your scanner makes it easy to use the scanner with a variety of antennas, such
as an external mobile antenna or outdoor base station antenna.
Always use 50-ohm coaxial cable, such as RG-58 or RG-8 low-loss dielectric coaxial cable. For lengths
over 50 feet, use RG-8 low-loss dielectric coaxial cable. If the antenna cable’s connector does not have a
BNC connector, you will also need a BNC adaptor.
Follow the installation instructions supplied with the antenna, route the antenna cable to the scanner, then
connect it to the antenna jack.
Warning: Use extreme caution when installing or removing an outdoor antenna. If the antenna starts to fail,
let it go! It could contact overhead power lines. If the antenna touches a power line, touching the antenna,
mast, cable, or guy wires can cause electrocution and death. Call the power company to remove the
antenna. DO NOT attempt to do so yourself.
Warning: Outdoor antennas must be properly grounded to prevent static buildup and lightning damage.
Article 810 of the National Electrical Code. ANSI/NFPA 70, provides information about proper grounding of
the antenna mast, connection of coaxial cable to an lightning arrestor, size of grounding conductors,
location of the lightning arrestor and connection of grounding conductors to grounding electrodes.
Additionally, you may wish to disconnect your radio from the outdoor antenna during electrical storm activity
to prevent damage. The diagram below provides an example of a proper antenna grounding system.
NEC – National Electrical Code Illustration add
Turn the radio on
Rotate the top knob of the VOLUME/SQUELCH control clockwise to turn the radio on. Set both the
VOLUME and SQUELCH knobs at their mid-point (12 o'clock) position.
NOTE: While 12 o'clock is a good squelch setting to start with, it may cause your radio to miss some calls
with weak signals. You will probably want to optimize the squelch setting to set it close to threshold. To
optimize the squelch setting to be close to the best threshold, press TUNE, then rotate the squelch control
counterclockwise until a rushing sound is heard from the speaker. Rotate the squelch control clockwise just
past the point where the rushing sound stops. The squelch is now set to the optimum point. Please note the
position of the squelch control for future reference. Once the squelch setting is complete, you may press
PGM to exit TUNE mode.
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