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Uniden CMX660 Owner's Manual

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CMX660
PROFESSIONAL MOBILE CB RADIO
Owner's Manual
© 2017 Uniden America Corporation
U01UT418ZZZ(0)
Irving, Texas
Printed in Vietnam

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  Summary of Contents for Uniden CMX660

  • Page 1 CMX660 PROFESSIONAL MOBILE CB RADIO Owner’s Manual © 2017 Uniden America Corporation U01UT418ZZZ(0) Irving, Texas Printed in Vietnam...
  • Page 3: Table Of Contents

    Disconnect the Microphone ..........15 INSTALL RADIO BRACKET/INSTALL RADIO ....15 Attach Side Rails ............15 Attach Bracket/Install Radio .........16 EMERGENCY OPERATION ........ 17 USING YOUR CMX660 ........17 LCD DISPLAY ..............17 BASIC OPERATIONS ............19 Turn On/Off ..............19 Transmit/Receive ............20 Adjust Volume ..............20...
  • Page 4 Adjust Squelch ..............21 Automatic Noise Limiter (ANL/HI-CUT) ......21 Adjust Radio Sensitivity (LO/DX) ........22 CHANNEL SCAN..............23 WEATHER MODE (WX MODE) .......... 23 Set Weather Scan ............24 Set Weather Alert Mode ..........25 MENU OPERATION ............25 Set Dimmer ..............25 Set Key Beep ..............26 Set Roger Beep ...............27 Set Battery Check ............27 Set FLIP ................28...
  • Page 5: Description

    40 AM frequencies authorized by the Federal Communications Commission (FCC). The CMX660 is designed to provide years of trouble-free service. Its slim profile can fit easily under the seat to free up space in the vehicle’s cabin.
  • Page 6 Replacement or substitution of crystal, transistors, ICs, regulator diodes, or any other part of a unique nature, with parts other than those recommend by Uniden, may cause violations of the technical regulations in Part 95 of the FCC Rules or in violation of type acceptance requirements in Part 2 of the rules.
  • Page 7: What's In The Box

    WHAT’S IN THE BOX CMX660 Radio Microphone Microphone Hanger with Hardware Not Shown: Printed CMX660 Slide CMX660 DC Materials Mount Bracket Power Cord with Hardware with Fuse...
  • Page 8: Controls And Connectors

    CONTROLS AND CONNECTORS Radio (Front and Back) FRONT BACK NUMBER NAME MIC Jack Menu VOL/SQ, POWER knob Local/DX External Speaker Jack Power Cables Antenna Connection...
  • Page 9: Microphone

    Microphone NAME Microphone Hanger ANL / HI-CUT Push to Talk CH9/19|SCAN WX / ALERT Channel UP and DOWN Microphone...
  • Page 10: Installation

    INSTALLATION You can install the CMX660 either on top/ underneath a flat surface like a dashboard or under the driver’s seat in a vehicle. Select a location that is convenient for operating the radio but does not interfere with the driver or passenger.
  • Page 11: Ground Information

    The CMX660 can operate on 12VDC power supply. Ground Information This radio may be installed and used in any 12- volt DC negative ground system vehicle. With a negative ground system, the negative (-) battery terminal is usually connected to the vehicle motor block.
  • Page 12: Marine Installation

    Only a properly matched antenna system will allow maximum power transfer from the 50-ohm transmission line to the radiating element. Your Uniden dealer is qualified to help you select the proper antenna for your requirements. A whip style antenna may be used for automobile installation.
  • Page 13: Safety Notice

    Never transmit if any person is closer than the specified distance to the antenna. Note that Uniden does not specify or supply any antenna with this radio. While a 0 dBi gain antenna is normal for a typical installation, the above limit...
  • Page 14: Install Microphone Hanger/Connect Microphone

    INSTALL MICROPHONE HANGER/CONNECT MICROPHONE Install Microphone Hanger Find a location to install the microphone hanger. When you install the hanger, take the same precautions as installing the radio (see page 10). Adjust wiring if necessary. 2. Hang the microphone onto the hanger. Connect Microphone Mic Jack Pull back the MIC jack rubber cover and...
  • Page 15: Disconnect The Microphone

    MIC from the other end of the extension cable. INSTALL RADIO BRACKET/INSTALL RADIO The CMX660 uses a slide mount assembly to mount the unit onto a surface. It can be mounted either below or on top of a surface.
  • Page 16: Attach Bracket/Install Radio

    L-Tab (2 on each rail) L-Tab Slot (2 on each side) Slide Mount Latch (1 on each rail) 2. Use the screws provided to fasten the guide rails into position on the radio. Attach Bracket/Install Radio Using the screws provided, screw the bracket into a stable, level surface.
  • Page 17: Emergency Operation

    Use Channel 9 to render assistance to a motorist. This is an FCC rule and applies to all CB radio operators. USING YOUR CMX660 LCD DISPLAY This LCD layout is for reference only. Different icons display depending on scanner status.
  • Page 18 ITEM BLINKING Receiving Transmitting Transmit (see page 20) error ANL Status • ANL off • ANL on (see Indicator page 22) • WX mode is on. • CB mode is on. Channel Scan Channel Scan is off. is on (see page Channel, In Menus, FLIP •...
  • Page 19: Basic Operations

    • CB mode is on. • WX mode is off. BASIC OPERATIONS The CMX660 uses both the knob on the radio and the ▲/▼ keys on the microphone to adjust settings. Turn On/Off The CMX660 remembers its power condition when it is turned off or powered down.
  • Page 20: Transmit/Receive

    the unit, when you reconnect power it remembers that it was on and returns to the ON state. You do not have to press POWER again. On the radio, press and hold the knob until the LCD lights and the radio beeps. Power is on.
  • Page 21: Adjust Squelch

    If Key Beep is active, the microphone beeps each time the channel changes. Adjust Squelch Press the knob on the radio until SQL displays. 2. Turn the konb to increase and decrease the squelch level. There are 8 squelch levels, from 0 to 7.
  • Page 22: Adjust Radio Sensitivity (Lo/Dx)

    moment on the LCD and the icon stays 4. Press and hold ANL/HI-CUT again; the icon goes away and HI-CUT is turned off Adjust Radio Sensitivity (LO/DX) Noise caused by strong signals from nearby channels may be heard. The LO/DX settings (LOCAL 1 and LOCAL 2) will reduce this noise by reducing the radio’s sensitivity.
  • Page 23: Channel Scan

    Occasionally, you may want to listen to weaker signals (for example: receiving a distant signal). In that case, do not reduce sensitivity levels. CHANNEL SCAN When Channel Scan is on, the radio scans channels until it receives a signal. It will move to the next channel if no signal is received after 3 seconds.
  • Page 24: Set Weather Scan

    2. Press ▲ or ▼ to select weather channels 01 - 07. If you select a weather channel that is broadcasting, displays. Set Weather Scan Weather Scan mode allows the radio to move to the next weather channel if no signal is detected. Press WX/ALERT on the microphone to enter Weather mode.
  • Page 25: Set Weather Alert Mode

    2. Press and hold WX/ALERT to turn Weather Alert off. The icon goes away. MENU OPERATION Press on the radio to access the 5 CMX660 menus. ƒ Dimmer ƒ Key Beep ƒ Roger Beep ƒ Battery Check ƒ...
  • Page 26: Set Key Beep

    On the radio, press on the radio until DIM displays and the dimmer level displays and blinks. 2. Turn the knob on the radio or press ▲ or ▼ on the microphone to scroll through the options [oF (OFF), 1, 2, or 3]. 3.
  • Page 27: Set Roger Beep

    Set Roger Beep Turn Roger Beep on to transmit a Roger Beep tone when you finish transmitting. On the radio, press until ROG, the icon, and the Roger Beep status display. Turn the knob on the radio or press ▲ or ▼ on the microphone to select on (on) or off (oF).
  • Page 28: Set Flip

    2. Be sure all electrical connections are tight. 3. Inspect antenna coaxial cable for wear or breaks in shielding. 4. Be sure all screws and mounting hardware are tight. MAINTENANCE The CMX660 is designed to give you years of trouble-free service. There are no user-...
  • Page 29: Troubleshooting

    Carefully separate the two pieces. 2. Remove the fuse and inspect. If blown, replace with the same type fuse. Use only the fuse specified for your CMX660. Failure to do so may void your warranty. TROUBLESHOOTING In the event of system malfunction, perform the...
  • Page 30: Servicing Your Radio

    Lower voltage will cause a failure. Check your alternator. If you do not get satisfactory results after performing these checks, visit the Uniden website (www.uniden.com) for troubleshooting and FAQ information. SERVICING YOUR RADIO It is the user’s responsibility to see that this radio is operating at all times in accordance with the FCC Citizens Radio Service regulations.
  • Page 31: Specifications

    SPECIFICATIONS GENERAL Channel: 26.965 ~ 27.405 MHz Frequency Range: Frequency Control: PLL Synthesizer Antenna ohms, unbalanced Impedance: Power Input: 13.8VDC Current Drain AM Full Modulation: 1.5A (max) At no signal: 400mA (max) Operating –22°F to 140°F Temperature: –30°C to 60°C Accessories: DC Power Cord with Built-In Fuse...
  • Page 32 Size (W x D x H): 4 in. W x 0.97 in. H x 3.86 in. D (without knobs and jacks) (102 mm W x 24.6 mm H x 98.2 mm D) Weight: 0.9 Pounds Antenna M-Type Connector TRANSMITTER UNIT NOMINAL Output Power: Watts...
  • Page 33 Audio Output Watts Power (max.): Adjacent Channel Rejection: Image Rejection: External Speaker ohms Impedance: WEATHER RADIO UNIT NOMINAL Usable Sensitivity –112 for 12dB SINAD Distortion (0.5W output) @ 1KHz ± 3KHz DEV. Maximum Audio Output Power Alert Sense –110 Alert Frequency 1040 to 1060 Squelch Sensitivity –110...
  • Page 34: Fcc Part 15 & Ic Compliance

    FCC PART 15 & IC COMPLIANCE FCC PART 15 COMPLIANCE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 35: One-Year Limited Warranty

    à l’utilisateur de faire fonctionner cet équipement. ONE-YEAR LIMITED WARRANTY Important: Evidence of original purchase is required for warranty service. WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”) ELEMENTS OF WARRANTY: Uniden warrants, for one year, to the original retail owner, this...
  • Page 36 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 one year after the date of original retail sale.
  • Page 37 at its option, may replace the unit with a new or refurbished unit. THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING BY OPERATION OF LAW, INCLUDING, BUT NOT LIMITED TO ANY...
  • Page 38 The Product should be shipped freight prepaid, by traceable means, to warrantor at: Uniden America Service C/O Saddle Creek 743 Henrietta Creek Rd., Suite 100 Roanoke, TX 76262...
  • Page 39: Radio Code Definitions

    RADIO CODE DEFINITIONS The following list contains common “10-Codes” used by CB radio operators for faster communication and better understanding. CODE MEANING CODE MEANING 10-1 Received poorly 10-34 Trouble at this station 10-2 Receiving well 10-35 Confidential information 10-3 Stop 10-36 Correct time is transmitting...
  • Page 40 CODE MEANING CODE MEANING 10-11 Talking too 10-45 All units within rapidly range please report 10-12 Visitors present 10-50 Break channel 10-13 Advise Weather/ 10-60 What is next Road conditions message number 10-16 Make pickup at 10-62 Unable to copy, use phone 10-17 Urgent business 10-63...
  • Page 41 CODE MEANING CODE MEANING 10-25 Can you contact 10-82 Reserve room 10-26 Disregard last 10-84 My telephone information number is 10-27 I am moving to 10-85 My address is channel 10-28 Identify your 10-91 Talk closer to station microphone 10-29 Time is up for 10-93 Check my...