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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. 

 

Mechanical mounting. 

 

Step 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 metal. 
 
Step 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. 

 
Step 3:  Position the main unit between the bracket arms in line with the 
retention knobs.  Set the angle for optimum operating comfort and 
accessibility. 
 
Step 4 Tighten the retention knobs 

 
Power wiring ( negative ground only). 

 

Step 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.

 

 

Step 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. 
 

Summary of Contents for 77-104XL

Page 1: ...77 104XL Owners Guide 40 Channel mobile citizens band transceiver ...

Page 2: ... 6 Factors affecting CB range 6 Noise 6 FRONT PANEL CONTROLS 8 BACK PANEL 8 HOW TO OPERATE YOUR TRANSCEIVER 9 TECHNICAL SPECIFICATIONS 9 GENERAL 9 TRANSMITTER 9 SERVICE 10 LIMITED WARRANTY 11 Midland 77 104XL 40 Channel mobile citizens band transceiver For your protection the space below is provided for you to record the Serial Number of this product which is located on the rear of the radio After...

Page 3: ...es like corresponding old page How to install your Midland mobile CB picture as in corresponding old page 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 Ge...

Page 4: ... mark the metal Step 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 Step 3 Position the main unit between the bracket arms in line with the r...

Page 5: ...ophone hanger bracket The bracket can be attached to the vehicle dash or other convenient location Antenna How to select position install and tune the right one for you Basically you may choose from two types of mobile CB antennas full length whip and loaded whip and a variety of of mounts depending on where you locate your antenna Midland markets a broad line of high performance antennas The deal...

Page 6: ... CB Dealer s service department Factors affecting CB range Essentially they are the same influences that optimize or limit AM and FM broadcast signals Terrain Hills valleys and buildings naturally interrupt and shorten CB signals In short any thing 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 ...

Page 7: ...7 ...

Page 8: ...allows changing of CB channel either up or down CHANNEL INDICATOR The LED displays the channel number TX LED indicator for showing the unit is transmitting RX LED indicator for showing the radio is in receive mode Push To Talk bar Press this bar to cause the radio to transmit Hold the microphone about 2ninches from your mouth and speak in a normal voice BACK PANEL ANTENNA CONNECTOR Connect a stand...

Page 9: ...old the microphone 2 to 3 inches from your lips and speak in a normal voice 7 To receive simply release the PTT bar TECHNICAL SPECIFICATIONS GENERAL Frequency range 26 965 27 405 MHz Channels 40 Modulation type AM Antenna impedance 50 Ohm Loudspeaker 8 Ohm Microphone Electret Power Supply 13 8 VDC negative ground Size 4 7 8 W x 6 1 2 D x 1 1 2 H Unit Weight 1 lb 10 oz RECEIVER CB 26 965 27 405 MHz...

Page 10: ...irectly 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 flat rate charge of 45 dollars will apply to radios not covered by the Warranty Master Card Visa or Money Order will be accepted for payment only Personal ch...

Page 11: ...nted product freight prepaid along with a readable copy of the original dated sales receipt to Midland Consumer Radio Warranty Service Department 1670 North Topping Kansas City Missouri 64120 or to the place of purchase if a participating dealer This warranty gives you specific legal rights and you may also have other rights which vary from state to state Note The above warranty applies only to me...

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