User manual UNIDEN PRO340XL

[. . . ] 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). Among its many features, the PRO340XL includes: · Superheterodyne circuitry to enhance receiver quality. [. . . ] Do not attempt to operate the unit with the power cord connected to a positive ground vehicle. To connect the Cigarette Lighter Power Cord: 1. Connect the power cord to the POWER connection on the side of the radio. Plug the power cord into the cigarette lighter of your vehicle. Note: Power is disconnected from the radio's battery compartment when using the cigarette lighter power cord. 8 Operation Before operating the PRO340XL: 1. Be sure you read and understand Part 95 of the FCC Rules and Regulations. Be sure that the power source and antenna are properly connected. Turn the unit on by sliding the power switch up to the ON position. Receive 1. Use the Up/Down channel keys to select any of the 40 channels. Press once to change one channel at a time. Press and hold to rapidly change channels. Set the VOLUME control to a comfortable listening level. Adjust the SQUELCH control to eliminate background noise during the absence of a signal. Move SQUELCH to the right until the noise disappears (no signal should be present). The receiver will remain quiet until a signal is actually received. Note: Do not advance the control too far, or some weaker signals will not be heard. Transmit 1. · In the "HI" (4 watt) position, the unit transmits at maximum output power and achieves maximum range. · In the "LOW" (1 watt) position, transmission output power (range) is substantially reduced; but, the battery life will be increased. For maximum battery life, select the "LOW" position. This switch does not affect the reception range. If the channel is clear, press the Push-To-Talk Button on the side of the unit. Be sure to speak clearly into the microphone. [. . . ] Check for weak batteries. Poor reception. · · · 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). Technical information, diagrams, and charts are available upon request. [. . . ]