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Uniden CMX760 Bearcat Off Road CB Radio Owner Manual

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Uniden CMX760 Bearcat Off-Road CB Radio

Uniden CMX760 Bearcat Off Road CB Radio

About Uniden 
Uniden America Corporation, the North American subsidiary of Japan-based Uniden Corporation, manufactures and markets wireless consumer electronic products including home security and video security systems, Bearcat® scanners, FRS/GMRS radios, marine radios, radar detectors, dash cams, and other wireless personal communications products. Based in Irving, Texas, Uniden sells its products through retailers and distributors throughout North, Central, and South America.

DESCRIPTION

Your Uniden CMX760 represents the highest quality communications device designed for use in the Citizens Band Radio Service. It will operate on any of the 40 AM frequencies authorized by the Federal Communications Commission (FCC).

The CMX760 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. Its rugged components and materials are capable of withstanding harsh environments. Please read this Owner’s Manual carefully to ensure you gain the optimum performance of the unit.

  • The Citizens Band Radio Service is under the jurisdiction of the Federal Communications Commission (FCC). Any adjustments or alterations that would alter the performance of the radio’s original FCC-type acceptance, or that would change the frequency-determining method, are strictly prohibited.
  • Replacement or substitution of crystal, 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 in Part 95 of the FCC Rules or violation of type acceptance requirements in Part 2 of the rules.

This is an FCC rule and applies to all CB radio operators.

FEATURESUniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 1

WHAT’S IN THE BOX

  • CMX760 Radio
  • Remote LCD Speaker Microphone
  • Microphone Hanger with Hardware
  • CMX760 Extension Cable
  • CMX760 Slide Mount Bracket with Hardware
  • CMX760 DC Power Cord with Fuse
  • Not Shown: Printed MaterialsUniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 2

CONTROLS AND CONNECTORS

  • Radio (Front and Back)Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 3

Remote LCD Speaker MIC

Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 4

Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 5

INSTALLATION

You can install the CMX760 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. Plan the location of the radio and microphone brackets before beginning installation.

The basic steps to install this unit are:

  • Connect Power
  • Connect Antenna
  • Install Microphone Hanger/Connect Microphone
  • Install Radio Bracket/Install Radio

CONNECT POWER

  • Uniden recommends connecting the power lead to the Ignition Switch Accessory Terminal. This way, the radio is automatically turned off when the ignition switch is turned off.
  • As an alternative, the power cord may be connected to an available terminal on the fuse block or to a point in the wiring harness. However, caution must be taken to prevent a short circuit. If in doubt, contact your vehicle dealer for information.
  • The CMX760 can operate on a 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. Connect the red DC power cord from the radio to the positive (+) battery terminal or other convenient point.  Then connect the black power cord to the vehicle chassis or negative (-) battery terminal.Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 6

Connect Power

  1. Connect the power cord to the power connector from the radio.
  2. Connect the red DC power cord to the Ignition Switch Accessory Terminal or the positive (+) battery terminal.
  3. Next, connect the black power cord to the Ignition Switch Accessory Terminal, the vehicle chassis, or the negative (-) battery terminal.
  4. Start the vehicle. The unit should turn on. Turn the vehicle off. The unit should turn off.

MARINE INSTALLATION

Consult your dealer for information regarding marine installation. It is important to ground the system adequately and to prevent electrolysis between the fittings in the hull and the water.

CONNECT ANTENNA

Because the FCC limits the maximum power output of the transmitter, the quality of your antenna is essential. To achieve the maximum transmission distance, Uniden strongly recommends that you install only a high-quality antenna. You have just purchased a superior radio; don’t diminish its performance by installing an inferior antenna. 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.

CAUTION: Never operate your radio with no antenna or with a damaged antenna cable. This can damage the radio.

A short “loaded” whip antenna is easier to install on an automobile, but its efficiency is less than that of a full quarter-wave whip antenna. Once your antenna is installed, tune it using a Standing-Wave Ratio (SWR) meter (not included): set it to channel 20 and adjust the antenna until the SWR is as close as 1:1 as possible.

CAUTION: Make sure the SWR is less than 2:1 before using the radio. An SWR higher than 2:1 can damage the radio.

Safety Notice
The antenna used for this radio must be properly installed and maintained must provide a separation distance of at least 16.9 inches (43 cm) from all persons and must not be collocated or operated in conjunction with any other antenna or transmitter.  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 applies to any antenna with up to 3 dBi gain.

INSTALL MICROPHONE HANGER/CONNECT MICROPHONE

Install Microphone Hanger

  1. Find a location to install the microphone hanger. Install it, using the same precautions as installing the radio. Adjust wiring if necessary.Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 7
  2. Hang the speaker/microphone onto the hanger.

Connect MicrophoneUniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 8

  1. Pull back the MIC jack rubber cover and slide it back along the cord.
  2. Insert the MIC jack into the radio’s MIC socket until it clicks into place.
  3. Gently tug on the cable to be sure the connection is locked.
  4. Slide the rubber cover down the cable and cover the MIC jack to seal it from dust.

If you want to use the extension cable, connect the cable to the radio and the MIC to the other end of the extension cable.

Disconnect the Microphone

  1. Pull back the MIC jack rubber cover and slide it back along the cord.
  2. Push down the MIC jack’s lock tab; tug gently on the MIC cord until it disconnects.

If you are using the extension cable, disconnect the cable from the radio and the MIC from the other end of the extension cable.

INSTALL RADIO BRACKET/INSTALL RADIO

The CMX760 uses a slide mount assembly to mount the unit onto a surface. It can be mounted either below or on top of a surface.

Attach Side Rails

  1. Align the guide rails along the sides of the radio and insert L-tabs into the L-tab slots. Be sure the slide mount latches face outward.Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 9
  2. Use the screws provided to fasten the guide rails into position on the radio.

Attach Bracket/Install Radio

  1. Using the screws provided, screw the bracket into a stable, level surface. If mounting the radio in a vehicle, for example, screw the bracket onto the top of the dashboard or underneath the dashboard. Be sure the words “FRONT-SLIDE IN” are visible from the front of the bracket.

Be sure you do not mount the bracket where the screws can damage any wiring or hardware. Move the wiring/hardware out of the way or relocate the radio bracket.

  1. Slide the back of the radio into the bracket until the slide mounts latch and click into place.

EMERGENCY OPERATION

  1. Press CH9/19 or use ▲ or ▼to select Channel 9.
  2. Press PTT and speak clearly.
  3. If there is no response, select an active channel and ask that party to relay your emergency broadcast on Channel 9.

All channels except Channel 9 may be used for normal communication. The FCC reserves  Channel 9 for emergencies involving the immediate safety of individuals or the protection of property. Use Channel 9 to help a motorist. This is an FCC rule and applies to all CB radio operators.

USING YOUR CMX760

SPEAKER/MICROPHONE LCD DISPLAYUniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 11

This LCD layout is for reference only. Different icons are displayed depending on the scanner status. Dimensions and layout may vary slightly.

PREVENTIVE MAINTENANCE

Every six months:

  1. Check the SWR.
  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 CMX760 is designed to give you years of trouble-free service. There are no user-friendly parts inside. Except for the fuse in the DC power cord, no maintenance is required.

To replace a blown fuse:

  1. Press the ends of the fuse holder together. Twist to open. Carefully separate the two pieces.
  2. Remove the fuse and inspect. If blown, replace with the same type of fuse.

Use only the fuse specified for your CMX760.  Failure to do so may void your warranty.

TROUBLESHOOTING

In the event of system malfunction, perform the following procedures:Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 10

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 according to the FCC Citizens Radio Service regulations. We highly recommend that you consult a qualified radio/ telephone technician for servicing and aligning this CB radio product.

When ordering parts, be sure to specify the correct model number and serial number of the unit.

SPECIFICATIONS

GENERAL

  • Channels: 40
  • CB Frequency Range: 26.965 – 27.405 MHz
  • Frequency Control: PLL synthesizer
  • Antenna Impedance: 50 ohms
  • Power Input: 13.8VDC
  • Current Drain:
    • TX: AM Full Modulation: 1.5A (max)
    • RX: At no signal: 400mA
  • Operating Temperature: -22°F to 140°F (-30°C to 60°C)
  • Accessories:
    • DC Power Cord with Built-In Fuse Microphone Microphone Hanger with Screws Mounting Bracket with Screws Owner’s Manual Part 95 Subpart D (FCC Rules)
  • 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 Connector: M-Type

TRANSMITTER

  • Power Output: 4 watts
  • Emission Type: 6A3
  • Hum and Noise: 40 dB Nominal
  • Frequency Tolerance ±0.002%
  • Spurious Harmonics Emission -70 dBc

RECEIVER

  • Sensitivity: –110 dBm 
  • Maximum Sensitivity (AM): -114 dBm
  • Squelch Sensitivity: 
    • Step 1 (Max): –107 dBm
    • Step 7 (Max): –47 dBm
  • Signal Meter S-9: –67 dBm
  • Audio Output Power (max): 3 watts
  • Audio Output (10% Dist.): 4.5 watts
  • Image Rejection (1st): 70dB
  • Adjacent CH Rejection: 60 dB
  • External speaker Impedance: 8 ohms
  • Antenna Impedance 50 ohms
  • RF Gain Control: Adjustable for optimum signal reception
  • Noise Blanker: RF type
  • Squelch Sensitivity: Threshold: –117dBm
  • Tight: –47dBm
  • Frequency Response @6dB Down 1kHz, 0dB Reference: 200 to 3000 Hz

Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 12

Uniden CMX760 Bearcat Off Road CB Radio Owner Manual-fig 13

  •  

Specifications shown are typical and subject to change without notice.

FCC PART 15 & IC 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.

Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

IC COMPLIANCE

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:

  1.  this device may not cause interference, and 
  2. this device must accept any interference, including interference that may cause undesired operation of the device.

Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

ONE-YEAR EXTENDED 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 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 the original retail sale. The warranty is invalid if the Product is

  • (A) damaged or not maintained as reasonable or necessary,
  • (B) modified, altered, or used as part of any conversion kits, subassemblies, or any configurations not sold by Uniden,
  • (C) improperly installed,
  • D) serviced or repaired by someone other than an authorized Uniden service center for a defect or malfunction covered by this warranty,
  • (E) used in any conjunction with equipment or parts or as part of any system not manufactured by Uniden, or
  • (F) installed or programmed by anyone other than as detailed by the owner’s manual for this product.

STATEMENT OF REMEDY: If the product does not conform to this warranty at any time while this warranty is in effect, the warrantor will either, at its option, repair or replace the defective unit and return it to you without charge for parts, service, or any other cost (except shipping and handling) incurred by the warrantor or its representatives in connection with the performance of this warranty. Warrantor, at its option, may replace the unit with a new or refurbished unit. Some states do not allow this exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you.

LEGAL REMEDIES: This warranty gives you specific legal rights, and you may also have other rights that vary from state to state. This warranty is void outside the United States of America.

PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY: If, after following the instructions in the owner’s manual you are certain that the Product is defective, pack the Product carefully (preferably in its original packaging). The Product should include all parts and accessories originally packaged with the Product. Include evidence of the original purchase and a note describing the defect that has caused you to return it. The Product should be shipped freight prepaid, by traceable means,

to warrantor at Uniden America Corporation C/O Saddle Creek 743 Henrietta Creek Road, Suite 100 Roanoke, TX  76262

FAQs About Uniden CMX760 Bearcat Off-Road CB Radio

Which radio has a 50-mile range?

Best Buy offers the Midland MicroMobile® 50-Mile, 15-Channel 2-Way Radio MXT115.

Is VHF superior to CB?

Although barriers can reduce the range of VHF radios because they require a line-of-sight between antennas, they provide clearer communication and less interference. Contrarily, CB radios have a limited range and can be susceptible to interference, but they are more able to pass through barriers.

Are CB radios DC or AC-powered?

Most CB radios are made for cars with DC 12-volt power systems.

Is CB radio used on ships?

Boaters have many options when it comes to ship-to-ship and ship-to-shore communications these days. Among the many options are satellite communications, cell phones, VHFs, CB radios, Family Radio Service radios, Single Sidebands, and CB radios.

Which is more powerful, UHF or VHF?

UHF has a respectable range and performs well inside structures, operating between 403 and 470 megahertz (MHZ) frequencies. It can travel farther at lower frequencies. VHF frequencies range from 30 to 300 megahertz (MHZ). On level terrain, this has great range, however it performs horribly indoors.

How far can a radio with 500 watts transmit?

When in high power mode, the 500W radio broadcasting apparatus can broadcast to a large area (coverage radius: 20–25 KM).

Do Uniden radios work well?

This little device is really powerful. It’s a five-watt radio with 80 channels. Both the hand piece and the base unit have speakers, which results in a powerful, clear sound.

What distinguishes ham radio from CB radio?

The range of a CB radio varies based on geography and setup, from approximately 3 miles (4.8 km) to 20 miles (32 km). The increased power output of ham radios ranges from 5 watts for handhelds to 25 watts for mobile devices. However, you may add an amplifier to your setup and some radios and base stations will have more power.

Is an AM or UHF CB radio?

On public UHF frequencies, CB radios, also known as citizen band radios, are typically used for short-distance communication.

Is CB compatible with ham radios?

In most cases, the response is no. CB radios are sold with certain product certifications right out of the box, and you are not allowed to change the radio’s internal components or power output. A licensed amateur radio operator would require a CB radio in order to communicate over a CB frequency range.

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