Uniden PRO 510XL Professional Mobile CB Radio User Manual
INTRODUCTION
Welcome to the world of Citizens Band radio communications. Your Uniden PRO510 radio is an advanced mobile radio designed for use in the Citizens Band (CB) Radio Service. It will operate on any of the 40 AM frequencies authorized by the Federal Communications Commission (FCC).
Safety Notice
The antenna used for this radio must be properly installed and maintained and must provide a separation distance of at least 16.92 inches (43 cm) from all persons and must not be collocated or operated in conjunction with any other antenna or transmitter. Never transmit if any person is closer than the specified distance to the antenna.
INCLUDED IN YOUR PACKAGE
If any of these items are missing or damaged, immediately contact your place of purchase or www.uniden.com.
PRO510 XL Mobile radio
Microphone and hook
Mounting bracket and knobs
Other printed materials
PARTS OF THE RADIO
Front
ANL Switch
Activates the Automatic Noise Limiter feature, which reduces background noise from the car engine and other sources.
TX LED
Indicates when the radio is transmitting.
S/RF (Signal/RF) Meter
Shows the strength of the received signal or the RF output.
Channel Indicator
Displays the channel currently in use.
Microphone Jack
Connects to the included detachable electret microphone.
Volume Control
Powers on the radio and adjusts the volume.
Squelch knob
Adjusts the level at which the radio squelches or suppresses weak radio signals. To filter out weaker signals and background noise, turn the knob clockwise to increase the squelch level.
Channel Selector
Selects which channel the radio will transmit or receive on.
NOTE: FCC rules reserve Channel 9 for motorist assistance and other emergency communications. Channel 9 should only be used in situations where there is immediate danger to the safety of individuals or the protection of property.
Back
Model number label
Shows the radio model number, FCC ID number and serial number.
Antenna Connector
Connects to a male PL-259 external antenna cable (antenna sold separately).
External Speaker Jack
Connects to a ⅛-inch (3.5 mm) external speaker (sold separately).
12 Volt DC Power Cord
Fuse casing
Microphone
Push-to-talk (PTT) button
Press and hold the PTT button to transmit on the selected channel. Release the button to listen for a response.
For the best sound quality, hold the microphone about 2 inches away from your mouth and speak in a normal voice.
INSTALLATION
Connect the microphone
Align the microphone connector with the jack on the front of the radio. Push the connector in firmly and secure it with the locking screw.
Connect the power
You can connect the radio to any standard 12 volt DC power source, with either a positive or negative ground. If you don’t know whether your power supply uses a positive or negative ground, consult the manual for your power.
WARNING! DO NOT connect this equipment to a power supply if you are not absolutely certain of the grounding type!
- Make sure your power supply is turned off.
- For power supplies with a NEGATIVE ground, connect the RED lead on the radio to the power supply’s POSITIVE (+) pole, and connect the BLACK lead to the power supply’s NEGATIVE (–) pole or to a neutral
- Turn on your power supply.
- Turn the radio’s Volume knob clockwise to power on the radio.
Installing the mounting bracket
- Pick a location that does not block your view, interfere with your vehicle’s controls, or hinder your driving.
- Make sure the radio and microphone are not in front of an airbag.
- Pick a solid surface that can support the weight of the bracket and the radio.
- Make sure there’s enough room the mounting bracket and the microphone bracket to your vehicle. Slide the radio into the bracket and use the included knobs to hold it at the preferred angle.
Connecting an external antenna
You will need to purchase an antenna to operate the radio. Consult the specifications in the back of this manual for detailed transmitter and antenna information. There are two basic types of mobile CB antennas–full-length whips and loaded whips–with a wide variety of mounts to suit different vehicle locations.
- Choose an antenna that matches the specifications of this radio.
- Follow the manufacturer’s installation instructions carefully.
OPERATION AND MAINTENANCE
Basic operation
| Turning the radio on | Turn the Volume knob clockwise until the display backlight comes on. |
| Turning the radio off | Turn the Volume knob counter-clockwise until it clicks and the display back light turns off. |
| Selecting a channel | Turn the Channel knob clockwise to move up the channel list. Turn it counter-clockwise to move down the channel list. |
| Changing the volume | Turn the Volume knob clockwise to increase the volume; turn it counter-clockwise to decrease the volume. |
| Transmitting | – Tune the radio to the channel you want to transmit on, and listen to make sure the channel is clear. – Press and hold the PTT button. – Hold the microphone about 2 inches away from your mouth and speak in a normal voice. – Release the button to listen for a response. |
Maintenance
Every six to twelve months, check to make sure that:
- 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.
TROUBLESHOOTING
If your radio is not performing to your expectations, please try these simplesteps. If these steps don’t solve your problem, visit www.uniden.com for assistance.
| Problem: | Things to try: |
| Radio won’t turn on (no power) |
|
| Poor reception |
|
| Background noise |
|
| Weak transmission |
|
SPECIFICATIONS
| General | |
| Channels | 40 AM |
| Frequency Range | 26.965 to 27.405 MHz |
| Frequency Control | Phase Locked Loop (PLL) synthesizer |
| Frequency Tolerance | ±0.005% |
| Operating Temperature | -30ºC to +50ºC |
| Microphone | Plug in type, dynamic |
| Input Voltage | 13.8 V DC nom. (+ or – ground) |
| Current Drain | TX full mod., 1.7A |
| RX | with max. audio output, 1.7A |
| Size | 4-1/2” W x 6-3/4” D x 1-3/8” H |
| Weight | 1 lb. 9 oz. |
| Antenna Connector | UHF, SO-239 |
| LED Meter | Indicates relative RF output and received signal strength |
| Transmitter | |
| Power Output | 4 Watts |
| Modulation | Class B amplitude modulation |
| Freq. Response | 300-2500 Hz |
| Output Impedance | 50 ohms, unbalanced |
| Receiver | |
| Sensitivity | 0.5μV for 10 dB; (S + N) /N typical (limit 1.0μV) |
| Selectivity | 6 dB @ 7kHz, 70 dB @ 10kHz typical |
| Image Rejection | 80 dB typical |
| I.F. Frequency | Double Conversion Superheterodyne 1st 10.692 MHz 2nd 450 kHz |
| Automatic Gain Control (AGC) | less than 10dB change in audio output for inputs from 10 to 50,000 microvolts |
| Squelch | Adjustable; threshold less than1μV |
| Audio Output Power | 7 watts max. into 8 ohms |
| Freq. Response | 300 to 2000 Hz |
| Distortion | less than 10% at 4 watts, 1000Hz |
| Internal Speaker | 16 ohms, 5 watts round |
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Uniden PRO 510XL Professional Mobile CB Radio User Manual
