Maintenance; Troubleshooting; Service And Repair Information - Uniden PRO 510XL Manual

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.
► Inspect all screws and other mounting hardware.
If your radio is not performing to your expectations, please try these simple
steps. If these steps don't solve your problem, visit www.uniden.com for
assistance.
Problem:
Radio won't turn
on (no power)
Poor reception
Background
noise
Weak
transmission

Service and repair information

► 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.

TROUBLESHOOTING

Things to try:
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.
1. Adjust the squelch level.
2. Check the antenna, cable and connectors.
3. Check operation mode of the radio.
1. Turn on the automatic noise limiter.
2. Adjust the squelch level.
1. Check the antenna, cable and connectors.
2. Check the antenna grounding.
3. Check for corrosion on the connectors.
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