Midland Radio CB-1 User Manual

CB-1

CB Radio

CB-1

CB Radio

® Midland Radio Corporation

5900 Parretta Drive

Kansas City, MO 64120

www.MidlandRadio.com

Owner’s Manual

Welcome to the World of Midland Electronics �� 2 How to install your Midland mobile CB �� 2 Installation and Operating Accessories Included �� 3 Where to Locate your CB Transceiver �� 3 Mechanical Mounting �� 3 Power Wiring (negative ground only) �� 4 Installation of Microphone Hanger �� 4 Antenna:

Selection �� 4 Installation �� 5 Tuning ��5

Range �� 5 Noise �� 5 Operating Controls �� 6 Back Panel �� 7 Transceiver Operation �� 7 Technical Specications

General �� 8

Receiver �� 8

Transmiter �� 8 Service �� 9 Limited Warranty �� 10 Other Midland Products �� 35

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1

Welcome to the World of Midland Electronics

Congratulations on your purchase of a state-of-the-art mobile CB radio� In the years

ahead, you can expect to realize time and again why Midland holds the front running

position among CB users everywhere� You will come to know that Midland power is

more than just a slogan, but the heading of a long list of benets. As your Midland

CB experience unfolds and grows, we hope you will remember that CB is only one

kind of electronic excellence available under the Midland name�

Your 40 channel CB represents the state of the art in high tech engineering� The unit

incorporates microprocessor controlled PLL circuitry for precise tuning�

How to Install your Midland Mobile CB

This transceiver may be installed in any 12-volt negative ground-system car or truck�

Most current U�S� and foreign vehicles use a negative system, but some older

models and some newer large trucks may have a positive ground�

Check the requirements for your vehicle before you begin installation�

Generally, you have a negative-ground system if the minus ( - ) battery terminal is

connected to the motor block� Contact your dealer in the event you are unable to

determine your vehicle’s polarity system�

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Accessories Included

1� Easy removal mounting bracket system� 2� Microphone bracket system� 3� All main-unit and microphone mounting hardware needed for normal installation� 4� Plug-in microphone with coil cord� 5� FCC part 95, Subpart D� 6� Owner’s Manual�

Where to Locate your CB Transceiver

Your new Midland CB is designed to be installed under the dash or vertically on a console of your vehicle� Safety and convenience are the primary considerations in deciding exactly where to locate your radio�

Caution: Be sure that the unit is located so that it does not interfere with the driver, supplemental restraint systems (air bags) or impair access to any controls� Connecting cables must be routed and secured in such a manner as not to interfere with the operation of the brake, accelerator or other controls� Interference from either the unit or connecting cables may contribute to the loss of control of the vehicle�

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Mechanical Mounting

1� Heeding the caution, use the mounting bracket as a template for marking the

location of screw holes under the dash� Use an awl, nail or other sharp pointed object to mark the hole locations�

2� Drill a 1/8” hole for each screw hole in the mounting bracket� Attach the bracket to

the dash with the Phillips head sheet metal screws provided�

Extreme care should be exercised when drilling into the dash to avoid damage to under-dash electronic ignition, cruise control, instrument and / or accessory wiring�

3� Position the main unit between the bracket arms in line with the retention knobs� Set

the angle for optimum operating, comfort and accessibility�

4� Tighten the retention knobs�

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3

Power Wiring (negative ground only)

1� If you have not determined whether your vehicle has a negative or positive ground,

do so now� Then disconnect the negative lead from the battery to prevent short circuits that can occur during wiring� Do not connect this transceiver to positive ground electrical systems�

2� With negative ground

A� Connect the positive (RED WIRE) the one with in-line fuse holder to either the (a)

fuse block, (b) cigarette lighter, or (c) directly to the positive post on your battery� Usually, the fuse block is the most convenient connecting point� It is also possible to connect to the Accessory terminal on the fuse block or ignition switch, so that your CB automatically goes off when the ignition goes off�

B� Tightly connect the ground (BLACK WIRE) directly to the vehicle’s metal frame� A

good direct metal-to-metal ground is essential for optimum performance� Installations using the cigarette lighter socket for power require an extra ground wire from the radio chassis to the vehicle if the radio is not fastened to a grounded part of the vehicle�

Installation of Microphone Hanger

Mounting holes are provided on the microphone hanger bracket� The bracket can be

attached to the vehicle dash, the holes provided on the left side of the radio, or other convenient location�

Antenna

You can choose from two types of mobile CB antennas: full-length whip and loaded

whip - and a variety of mounts (depending on where you locate your antenna)� The dealer who sold you your Midland CB can advise which type is best for you�

*Where you locate your antenna does make a difference.*

Some general rules for antenna location that can aid CB performance: 1� Put your mount as high on the vehicle as possible�

The higher the proportion of antenna length that is above the roof, the better� 2� If possible, mount the antenna in the center of whatever surface you choose� 3� Keep antenna cables away from noise sources, such as the ignition system, gauges,

etc� 4� Make sure you have a solid metal-to-metal ground� 5� Exercise care to prevent cable damage�

Essentially, you have ve location choices: the roof, gutter, rear deck, front cowl or rear

bumper� Where you decide to locate your antenna will determine the type of antenna

you install� Consult your Midland CB dealer for advice and guidance, and measure

your needs against the attributes of the various Midland antenna models they carry�

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Antenna Installation

Follow the manufacturer’s installation instructions carefully�

Warning: Never operate your CB radio without attaching an antenna or with a broken

antenna cable� This will result in damage to transmitter circuitry� Safety notice: The antenna used for this radio must be installed to provide a

separation distance of at least 8 in� (20cm) from all persons and must not be

co-located or operating in conjunction with any other antenna or transmitter�

Tuning Your Antenna

Some antennas are factory tuned� However, performance can usually be improved by

slightly lengthening or shortening the antenna using a Standing Wave Radio (SWR)

meter� For the exact procedures to be used, refer to the antenna manufacturer’s

installation manual�

You can buy an SWR meter separately or have your antenna checked by your Midland

CB Dealer’s service department�

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Factors affecting CB range

Essentially, they are the same inuences that optimize or limit AM and FM broadcast

signals� Terrain: Hills, valleys and buildings naturally interrupt and shorten CB signals� In short,

anything that is between you and the person you want to talk to can shorten your CB

range� You can expect to maintain maximum transmitting/receiving performance in

at, open country.

Weather: You can expect that CB range will be reduced – perhaps drastically – in times

of atmospheric disturbance, such as in a thunderstorm or heavy snow� Sunspots too

are known to adversely affect CB performance�

Noise

A common source of excessive noise is the ignition system� In many vehicles today the

electric fuel pump is another possible source of noise� If you suspect this is true, turn

off the ignition� With the CB in receive mode if the noise is no longer present then

this is the source of the noise� In some cases the noise can be reduced or eliminated

by making sure the CB radio chassis is grounded� This is in addition to the power

cord� In extreme cases, additional grounding of components may be necessary�

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Operating Controls

CB/PA Switch

Normal /

CH9

Switch

Locking

Mic

Connector

TX

Indicator

RF Gain

Knob

Digital

Channel

Indicator

Squelch

Knob

Channel

Select Buttons

ON/OFF

Volume

Knob

Microphone Connector: Plug in the supplied microphone to this connector�

Received signals will not be heard without the microphone�

ON/OFF Volume Knob: In the off position your transceiver power is off� Turn this

control clockwise to switch on the unit an d adjust the volume�

Channel Buttons: This easy-to-operate control allows changing of CB channels, either

up or down�

Squelch Control: Adjust this control until background noise just disappears� If the

control is adjusted too far clockwise it may cause muting of weaker signals�

Channel Indicator: The LED displays the channel number�

TX LED: Indicator shows the unit is transmitting�

PA/CB Switch: When in PA mode, it causes your voice to operate the optional external

PA speaker� In CB mode, the microphone operates the transmitter�

Channel 9/Normal Switch: Allows you listen to emergency channel 9�

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Back Panel

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Antenna

Connector

PA

Jack

EXT

Speaker

Jack

13�8VDC

Power

Cord

Antenna Connector: Connect a standard 50-ohm CB antenna to this connector�

External Speaker Jack: When a speaker is connected to this jack, the internal speaker

is by-passed� All received signals will be heard through the external speaker� The

speaker connected to the “EXT” jack should be rated at 8 ohms and 5 watts�

PA Jack: An optional PA speaker may be attached to your transceiver through the PA

output jack on the back panel� This allows you to communicate with pedestrians or

other vehicles through your CB microphone� The speaker connected to the “PA” jack

should be rated at 8 ohms and 5 watts�

DC 13�8V POWER Cord: Connects to power cord with in line 2 amp fuse�

How To Operate your Transceiver

You should become familiar with the controls and complete the preceding installation

instructions before attempting to operate your CB� 1� Rotate the on/off volume control clockwise to turn the unit on� 2� Adjust the squelch control fully counter-clockwise so noise is heard� 3� Adjust the volume for a normal listening level� 4� Rotate the squelch control until the noise just disappears� 5� Select the desired channel� 6� To transmit, press the PTT bar on the side of the microphone� Hold the microphone

2 to 3 inches from your mouth and speak in a normal voice� 7� To receive, simply release the PTT bar�

Warning: Do not attempt to make any internal adjustments� Internal adjustments

and/or modications can lead to illegal operation as dened by the FCC rules and

regulations, Part 95. They must be made only by qualied technical personnel.

Illegal operation can lead to serious consequences�

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Technical Specications

General

Frequency Range �� 26�965-27�405 MHz Channels �� 40 Modulation Type �� AM Antenna Impedance ��50 Ω Loudspeaker ��8 Ω Microphone�� 1000 Ω Electret Power Supply ��13�8 VDC negative ground Size �� 4-3/8” (W) x 4-3/4” (D) x 1-7/8” (H) Unit Weight ��1 lb� 10 oz

Receiver (CB, 26�965-27�405 MHz,)

Sensitivity at 10dB S/N �� 0�7 µV Selectivity �� 45dB + 10 kHz Squelch Range ��0�5 µV - 500 µV Audio Output Power �� 2.0 W @ 8 Ω (10% distortion) Distortion at 1000 µV ��3% Audio Frequency response ��400-2400 Hz Intermediate Frequency ��1st: 10�695 MHz 2nd: 455 kHz Spurious Response �� > 40dB

Transmitter

RF Output Power ��4�0 W Frequency Tolerance ��0.005% Harmonic Suppression �� > 60 dB Modulation �� AM 90% (± 5%)

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Service

If it ever becomes necessary to return your unit for service:

Pack the unit in its original box and packing, improper packing may result in damage

during shipment� Be sure to remove the microphone from the radio before packing�

Include a full description of any problems� Include a daytime telephone number in the

event we need more information�

You do not need to return accessory items (brackets, screws, power cord, antenna,

etc�) unless they may be directly related to the problem�

Include a photocopy of the bill of sale or other proof of purchase showing the date of

sale (credit card statements are not acceptable)� This information must be included

before warranty service can be considered�

A at rate charge of $45 will apply to radios not covered by the Warranty. Master Card,

Visa, Cashier’s Check or Money Order will be accepted for payment only� Personal

checks will not be accepted and will delay the repair of your radio until we receive

payment by approved methods�

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Midland Radio Corporation

Hereby certies that this unit has

been designed, manufactured,

FCC type accepted and certied

in accordance with Part 95 and

Part 15, Subpart C of the current

FCC rules and regulations as of

the date of manufacture�

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Limited Warranty

Midland Radio Corporation will repair or replace, at its option without charge this model

CB1 Citizens Band transceiver that fails due to a defect in material or workmanship

within Three years following the initial consumer purchase�

This warranty does not include any accessories, which may be a part of or included

with the warranted product, or the cost of labor for removal or re-installation of the

product in a vehicle or other mounting�

Performance of any obligation under this warranty may be obtained by returning the

warranted product, freight prepaid, along with proof of purchase date, to Midland

Radio Corporation , Warranty Service Department, 5900 Parretta Drive, Kansas City,

Missouri 64120, or to any “Midland Authorized Warranty Service Station,” or to the

place of purchase (if a participating dealer). This warranty gives you specic legal

rights, and you may also have other rights which vary from state to state�

Note: The above warranty applies only to merchandise purchased in the United States

of America or any of the territories or possessions thereof, or from a U�S� Military

exchange� For warranty coverage on merchandise purchased elsewhere, consult the

supplemental warranty information included with this product or ask your dealer�

MIDLAND RADIO CORPORATION

5900 Parretta Drive

Kansas City, MO 64120

Phone 816-241-8500

E-mail: mail@midlandradio�com

www�midlandradio�com

Printed in Thailand

Midland Radio CB-1 User Manual

Table of Contents

English Français Español

Accessories Included

Where to Locate your CB Transceiver

Mechanical Mounting

Power Wiring (negative ground only)

Installation of Microphone Hanger

Antenna Installation

Tuning Your Antenna

Factors affecting CB range

Noise

Operating Controls

Back Panel

How To Operate your Transceiver

Receiver (CB, 26�965-27�405 MHz,)

Transmitter

Limited Warranty