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Uniden PRO340XL User Manual

Portable cb radio
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Download this manual See also: Operating Manual
Welcome to the world of CB radio communication. Your Uniden PRO340XL
represents the most advanced portable radio ever designed for use in the
Citizens Band Radio Service. This powerful unit operates on any of the 40 AM
frequencies authorized by the Federal Communications Commission (FCC).
Among its many features, the PRO340XL includes:
Superheterodyne circuitry to enhance receiver quality.
Phase Locked Loop Synthesizer techniques to assure precise
frequency control.
Flexible operation that allows you to power the radio with 8 AA alkaline
batteries, 10 rechargeable AA nickel-cadmium batteries (batteries not
included), or from your vehicle battery.
Connection for an optional nickel-cadmium battery charger.
This radio has been type accepted and fully certified by the FCC.
The Citizens Band (CB) Radio Service is under the jurisdiction of the
Federal Communications Commission (FCC). Any adjustments or
alterations which alter the performance of the transceiver's original FCC
type acceptance, or change the frequency determining method, are
strictly prohibited. Replacement or substitution of crystals, transistors,
ICs regulator diodes, or any other part of a unique nature, with parts other
than those recommended by Uniden may cause violations of the technical
regulations of Part 95 of the FCC rules or violation as type acceptance
requirements of Part 2 of the rules.

Elimination Of Licensing

The Federal Communications Commission has ruled that Citizens Band Radio
Service operators are no longer required to obtain an FCC license to operate
their CB equipment. In doing so, the FCC also permits CB stations to operate
without station identification.
Elimination of individual station licenses results in no lessening of the operating
privileges or responsibilities of CB users. An operator of a CB radio station is
still required to comply with the Communications Act and with the rules of CB
Radio Service.

Introduction

WARNING
1

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Summary of Contents for Uniden PRO340XL

  • Page 1: Introduction

    Welcome to the world of CB radio communication. Your Uniden PRO340XL represents the most advanced portable radio ever designed for use in the Citizens Band Radio Service. This powerful unit operates on any of the 40 AM frequencies authorized by the Federal Communications Commission (FCC).

  • Page 2: Unpacking Your Cb Radio

    Unpacking Your CB Radio Carefully unpack your PRO340XL and check the contents against this list: PRO340XL Portable CB Radio 2 Battery Spacers (For use with alkaline batteries) Cigarette Lighter Power Cord Flexible Antenna Belt Clip (Attached to radio) This Operating Guide (Read it carefully and save)

  • Page 3: Controls And Functions

    Controls And Functions TX Indicator — LED lights to indicate when the radio is transmitting. BATT LOW LED — Lights when the batteries become weak and need to be replaced. Channel Display — A large LED display shows the current channel in use. HI/LOW Switch —...

  • Page 4: Connecting The Antenna

    CHARGE Connection — Connection for a 12V DC power source to charge POWER Connection Connecting the Antenna Align the two keys on the PRO340XL antenna connector with the key slots in the base of the flexible antenna. Push the base of the flexible antenna down onto the antenna connector.

  • Page 5: Power

    The PRO340XL is designed to operate with maximum 12 volt DC power. Power can be supplied through 10 AA, 1.2 volt, rechargeable nickel-cadmium batteries; 8 AA, 1.5 volt alkaline batteries; or through the supplied cigarette lighter power cord when connected to a vehicle’s 12 volt negative ground power system.
  • Page 6 3. Insert 8 alkaline batteries into the compartment as shown. Note: Be sure to insert each battery with the proper polarity, as marked in the battery compartment. Follow this diagram for correct alkaline battery placement. 4. Replace the cover. Note: When the batteries become weak, the BATT LOW LED will light. Be sure to replace the batteries as soon as possible.

  • Page 7: Nickel-Cadmium Batteries

    Nickel-Cadmium Batteries. 1. Slide the cover off the back of the PRO340XL. 2. Insert 10 nickel cadmium batteries in the compartment. Note: Be sure to insert each battery with the proper polarity, as marked in the battery compartment. Note: The battery spacers are NOT used when installing nickel-cadmium batteries.

  • Page 8: Connecting The Cigarette Lighter Power Cord

    Connecting the Cigarette Lighter Power Cord Using the Cigarette Lighter Power Cord whenever you are operating the PRO340XL in a vehicle saves the radio’s internal battery life. IMPORTANT: The Cigarette Lighter Power Cord is designed to be used ONLY with negative ground vehicles. Do not attempt to operate the unit with the power cord connected to a positive ground vehicle.

  • Page 9: Operation

    Before operating the PRO340XL: 1. Be sure you read and understand Part 95 of the FCC Rules and Regulations. 2. Be sure that the power source and antenna are properly connected. 3. Turn the unit on by sliding the power switch up to the ON position.

  • Page 10: Care And Maintenance

    Care and Maintenance The PRO340XL is designed to give you years of trouble-free service. There are no user-serviceable parts inside and except for the batteries, or the fuse inside the cigarette lighter plug, no maintenance is required. Note: Do not expose the unit to moisture. Rain, dew, road splash, or other liquids may damage the internal components.

  • Page 11: Recharging Batteries

    Recharging Batteries You can recharge nickel-cadmium batteries while they are installed in the PRO340XL. Use the included Cigarette Lighter Power Cord or an optional AC Adapter (AD140U). Be sure to observe the polarity of the Adapter before connecting it to the radio.

  • Page 12: Troubleshooting

    Weak Transmission. Servicing Your CB If service is necessary, contact your local Uniden dealer or return the product in its original carton. If you are shipping the item, enclose a brief description of the problem along with a copy of the original purchase receipt. Send the product to the address listed in the Warranty (at the end of this manual).

  • Page 13: Specifications

    Channels: Frequency Range: Frequency Control: Frequency Tolerance: Operating Temperature: Microphone: Input Voltage: Current Drain: Size: Complete Package: Antenna Connector: Transmitter Power Output: Modulation: Frequency Response: Output Impedance: Receiver Sensitivity: Selectivity: Image Rejection: IF Frequency: Automatic Gain Control (AGC): Squelch: Audio Output Power: Frequency Response: Distortion: Internal Speaker:...
  • Page 14 ® PRO340XL Citizens Band Radio OPERATING GUIDE...

  • Page 15: Table Of Contents

    Operation ........... . 9 Before operating the PRO340XL: ........9 Receive .
  • Page 16 WARRANTOR: UNIDEN MANUFACTURING, INC ("Uniden") ELEMENTS OF WARRANTY: Uniden warrants, for two years, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect 24 months after the date of original retail sale.
  • Page 17 ® ©1994 Uniden America Corporation. All rights reserved. UTUD01347ZZ Printed in the Philippines...

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