Delta Manual

Uniden PRO510AXL

Microphone Jack – The operational mode of the CB is controlled by the push-to-talk switch on the microphone. Press the switch to activate the transmitter and disable the receiver. Release the switch to enable the receiver and disable the transmitter. When transmitting, hold the microphone about 2 inches from your mouth and speak clearly in a normal voice. The microphone included with the PRO 510AXL is detachable electric type.

Squelch – The squelch control is used to eliminate background noise during the absence of a transmission. Turn the control fully counterclockwise, then slowly rotate it back clockwise until the noise disappears. At this setting any transmission must be slightly stronger than the background noise to “Break Squelch” or to be heard. Further clockwise rotation will increase the threshold at which a signal will be heard.You can select any level to “Break Squelch.”

Ground Information

Most newer U.S. and foreign made cars and small trucks use a negative ground system, while some older cars and some newer larger trucks may use a positive ground system. A negative ground system is generally identified by the “-” battery terminal being connected to the vehicle motor block, but if you cannot determine the polarity of your vehicle, consult your vehicle dealer for information.

Connecting the Power Cord

With regard to the connection of the power cords, it may be possible or desirable to connect the red lead (for negative ground systems) or the black lead (for positive ground systems) to the ignition switch accessory terminal so that the radio is automatically turned off when the ignition switch (key) is turned off.

Mobile Antenna

Since the maximum allowable power output of the transceiver is limited by the FCC, the antenna is a very important factor affecting the transmission distance. It is for this reason that we strongly recommend you install the quality antenna included in your package.You have purchased a superior quality transceiver. Don’t diminish its performance by installing an inferior antenna.

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