Uniden AX 144 Owner's Manual
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Uniden AX 144 Owner's Manual

Uniden AX 144 Owner's Manual

Uniden marine radio - marine cb radio user manual
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AX 144 CB RADIO
OWNERS MANUAL

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Summary of Contents for Uniden AX 144

  • Page 1 AX 144 CB RADIO OWNERS MANUAL...
  • Page 2 RADIO BACK PANEL VIEW The above pictorial display shows the location and power receptacles, as well as the SERIAL You are urged to record your spaces provided below: Model SERIAL NUMBER EXTERNAL SPEAKER Jack SPEAKER Jack SERIAL,NO SERIAL NUMBER ANTENNA Connector I MPORT ANT! of the various accessory, antenna,...

  • Page 3: Specifications

    GENERAL Channels Frequency Range Frequency Control Frequency Tolerance Frequency Stability Operating Temperature Range Microphone Input Voltage Current Drain Cabinet Dimensions Weight Antenna Connector Semiconductors Meter Indicators TRANSMITTER Power Output Modulation Intermodulation Distortion SSB Carrier Suppression Unwanted Sideband Frequency Response Output Impedance SSB Filter Output Indicators SPECIFICATIONS...
  • Page 4 RECEIVER Sensitivity Selectivity Cross Modulation Image Rejection t.F. Frequency AM and SSB RF Gain Control Automatic Gain Control Squelch Noise Blanker Clarifier Range Audio Output Power Frequency Response Distortion Built-in Speaker External Speaker (Not Supplied) PA SYSTEM Power Output External Speaker for PA SSB: Better than ,25 p V for 10 dB (S+N)/N at greater than 1f2watt of audio output...
  • Page 5 It has been especially designed to give you maximum YourAX 144 is completely factory aligned and quality assurance tested. To obtain the maximum benefit and pleasure from your AX 144 please read very carefully the contents of this manual before attempting to install or operate the transce~ver .

  • Page 6: Channel Information

    CHANNEL INFORMATION Channel Frequency Channel in MHz 26.965 26.975 26.985 27.005 27.015 27.025 27.035 27.055 27.065 27.075 27.085 27.105 27.115 27.125 27.135 27. 155 27.165 27.175 27.185 27.205 To insure that you obtain the maximum performance from this radio, please read carefully the following descriptions and operating instructions.

  • Page 7: Installation

    Location Plan the location of the transceiver and microphone installation. Select a location that is convenient for operation and does not interfere with the driver or passenger in the vehicle. In automobiles, the transceiver is usually mounted to the dash panel with the microphone bracket beside it. Mounting and Connection This radio is supplied with a universal mounting bracket.

  • Page 8: General Information

    This prevents the set being left on accidentally when the driver leaves the car and also permits operating the radio without the engine running. You can locate the accessory contact on most ignition switches by tracing the power wire from the AM broadcast receiver in the car.
  • Page 9 antennas Mobile whip utilize the metal mounted on a corner of the vehicle, they are slightly directional, the body of the vehicle. For all practical purposes, however, the radiation pattern is non-directional. A slight directional distances. A standard antenna transceiver for easy connection When installed...

  • Page 10: Operating Controls

    When you receive the SSB signal in the proper mode, audio sound may be either too high pitched or Iow pitched, indicating that your receiver may not be tuned to the exact same frequency as the transmitter to which it is listening. The AX 144 is equipped with a Clarifier.
  • Page 11 Gain is reduced by counterclockwise rotation of the control. is normally set to a position which just is used to adjust, as required, microphone provided with the unit. UNIDEN's automatic CH9. Pressing the CH9 switch activates CH9 Noise Limiter circuits are activated. The...

  • Page 12: Indicator Function

    INDICATOR FUNCTION S/RF METER: This meter displays relative transmitter transmitting, and input signal strength when receiving. The meter is illuminated when power is on, the illumination can be adjusted by the DIMMER switch for optimum brightness. TX/RX INDICATOR: The TX/RX light in the upper right corner of the front panel lights in red color when the microphone button is pressed and transmitter is in operation.
  • Page 13 WARNING Oper:ation of this equipment requires a valid station license issued by the Depart- ment of Communication Do not transmit with your equipment until you have a license. - 12-...

  • Page 14: Maintenance

    MAINTENANCE AND ADJUSTMENT This transceiver is especially designed for the environment encountered in mobile installations. The use of all solid state circuitry and its light weight result in high reliability. Should failure occur, however, replace parts only with identical parts. Do not substitute.
  • Page 15 - 14-...
  • Page 16 r------------------------------------------------ I PC-833 TRI 2SCI675L CIRCUIT DIAGJAM AX144 .'0' PI-ooe 0404-' .O/ANC UTUAO7524T A Printed in The Philippines...
  • Page 17 WARRANTOR: UNIDEN AUSTRALIA N.S.W. 2216 ("UNIDEN"). ELEMENTS OF WARRANTY. ranty, its UNIDEN CB Product to be free from defects in materials and craftsmanship with only the limitation WARRANTY DURATION. One (1) year after the date of original purchase of the Product or at the time the Pro-...

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