Uniden PRO 520XL, Руководство пользователя

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Sheet 2 Page 8
Maintenance
Every six to twelve months, check to make sure that...
► The Voltage Standing Wave Ratio (VSWR) is less than 2:1.
► All electrical connections are secure and free of corrosion.
► The antenna cable shows no wear or damage.
► All mounting screws are securely fastened.
TROUBLESHOOTING
If your radio is not performing to your expectations, please try these
simple steps. If these steps don’t solve your problem, call the Uniden
Customer Service Center.
Problem: Things to try:
Radio won’t turn
on (no power)
1. Check the radio’s power cord and all connections.
2. Check the fuse in the radio’s power cord.
3. Check your vehicle’s electrical system.
Poor reception
1. Adjust the squelch level.
2. Check the antenna, cable and connectors.
3. Check operation mode of the radio.
Background noise 1. Turn on the automatic noise limiter.
2. Adjust the squelch level.
Weak
transmission
1. Check the antenna, cable and connectors.
2. Check the antenna grounding.
3. Check for corrosion on the connectors.
Service and repair information
► Technical information, diagrams and charts will be provided upon
request.
► Service, repair, or alignment should only be attempted by a qualified
and/or licensed radio technician.
► When ordering parts, it is important to specify the correct model
number of this radio.
► It is the user’s responsibility to make sure the radio is operating in
accordance with the FCC Citizens Radio Service regulations at all
times.