Midland 77-120ESP Owner's Manual

Midland radio receiver owner's manual
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Owner's Manual 77-120 ESP
Owner's Manual 77-120ESP
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Summary of Contents for Midland 77-120ESP

  • Page 1 Owner’s Manual 77-120 ESP Owner’s Manual 77-120ESP http://www.midlandradio.com www.midlandradio.com Page 1 of 13...
  • Page 2: Table Of Contents

    Table of Contents Introduction How to install your Midland mobile CB III. Check the requirements for your vehicle before you begin installation Installation and operating accessories furnished with your Midland CB Where to locate your CB transceiver Mechanical Mounting VII. Power wiring (negative ground only) Mounting the main unit VIII.
  • Page 3: Introduction

    Introduction - Your 40 channel CB represents the state of the art in high tech engineering. This unit is not only a full feature CB transceiver but incorporates a high performance 10 channel NOAA weather bureau VHF receiver. The full 10-channel weather receiver allows use on all current and future NOAA weather bureau channels plus Canadian and international channels.
  • Page 4: Mechanical Mounting

    Owner’s Manual 77-120 ESP Mechanical mounting Note: Extreme care should be exercised when drilling into dash to avoid damage to under-dash electronic ignition, cruise control, instrument and / or accessory wiring. Your unit must be mounted so as not to interfere with air bag (SRS) operation.
  • Page 5: Mounting The Main Unit

    Owner’s Manual 77-120 ESP Mounting the main unit. Step 1: Position the main unit between the bracket arms in line with the retention knobs. Set the angle for optimum operating comfort and accessibility. Step 2: Tighten the retention knobs. Installation of microphone hanger. Mounting holes are provided on the microphone hanger bracket.
  • Page 6: Antenna

    Owner’s Manual 77-120 ESP Antenna - How to select, position install and tune the right one for you? Basically, you have two types of mobile CB antennas - full-length whip and loaded whip - and a variety of types of mounts (depending on where you locate your antenna) to choose from.
  • Page 7: Tuning Your Antenna

    Owner’s Manual 77-120 ESP Tuning your antenna. Some antennas are factory tuned. However, performance can usually be improved by slightly lengthening or shortening its length, using a Standing Wave Radio (SWR) meter. For the exact procedures to be used refer to the antenna manufacturer’s installation manual.
  • Page 8: Function & Location Of Controls

    FUNCTION AND LOCATION OF CONTROLS FRONT PANEL CONTROLS : Plug in the supplied microphone to this . MICROPHONE CONNECTOR connector. The collar ring has a screw on locking ring. Push the ring onto the units collar and screw on until it is tight. : In the off position your transceiver’s power is off.
  • Page 9: Rotary Channel Selector

    ROTARY CHANNEL SELECTOR changing of weather or CB channel, either up or down. This control will not operate when emergency channel 9 has been selected by using the “CH9” button or when the channel “LOCK” function has been activated. : LCD (liquid crystal display) read-out of selected CB CHANNEL DISPLAY or weather channel.
  • Page 10: Ext Speaker Jack

    : When a speaker is connected to this jack the EXT SPEAKER JACK internal speaker is by-passed. All received signals will be heard through the external speaker when it is connected. The speaker connected to the “EXT” jack should be rated at 8 ohms and 5 watts or more. HOW TO OPERATE YOUR TRANSCEIVER FOR CB USE You should become familiar with the controls and complete the preceding installation instructions before attempting operation of your CB.
  • Page 11: How Esp2 Works

    Owner’s Manual 77-120 ESP How ESP2™ works to make your CB sound better. The ESP2™ noise reduction system constantly monitors the signal strength and the type of noise present. When the signal strength is too low for good reception, the receiver sound is automatically adjusted to dramatically reduce the noise that comes through the speaker.
  • Page 12 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 RECEIVER ( CB, 26.965-27.405 MHz ) Sensitivity at 10db S/N...0.6 uV Selectivity ...6 db @ 5 Khz Squelch range ...0.5 uV-500 uV Audio output power ...3.0 W @ 8 Ohm ( 10% distortion) Distortion at 1000 mV ...3%...
  • Page 13 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 (2) This device must accept any interference received including interference that may cause undesired operation. For compliance information contact: Midland Radio Corporation www.midlandradio.com Page 13 of 13...

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