Table of Contents
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Table of Contents
Related Manuals for Midland 79-290
Summary of Contents for Midland 79-290
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Page 2: Table Of Contents
TABLE OF CONTENTS Specifications Installation Location Mounting the Radio Ignition Noise Interference Antenna Tuning the Antenna for Optimum SWR External Speaker Operation Control and Indicators Front Panel Real Panel Operating Procedure to Receive Operating Procedure to Transmit Receiving SSB signals SPECIFICATIONS (CB) GENERAL Channels... - Page 3 TRANSMITTER Power Output Modulation Intermodulation Distortion SSB Carrier Suppression Unwanted Sideband Frequency Response AM 350 to 2500 Hz RECEIVER Sensitivity IF Frequency Adjacent-Channel Rejection Automatic Gain Control (AGC) output for inputs from 10 to 100.000 microvolts Squelch Adjustable; Audio Output Power WEATHER RECEIVER Channels 1 162.550...
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Page 4: Installation
Your new Midland model 79-290 represents cutting edge technology in the communications field. From its high tech detachable control panel to finned cast almuinum transmitter heatsink it incorporates features found on no other CB. These features include full surface mount technoloy, fiberglass printed circuit board, dual power output stage, and a digital information screen using a black matrix LCD (liquid crystal display). -
Page 5: Tuning The Antenna For Optimum Swr
Use of a mobile receiver at low signal levels is normally limited by the presence of electrical noise. The primary source of noise in automobile installations is from the vehicle itself. If the CB operates quietly with the car motor turned off it’s most likely that the car electrical system is generating noise. -
Page 6: External Speaker
antenna is shortened. By continuing to shorten the antenna you will notice the SWR reading will reach a low point and then start rising again. This means that you have passed the optimum point for Channel 20. Extend the antenna a short distance and again follow the procedure above. -
Page 7: Front Panel
FRONT PANEL DRAWING . ON/OFF VOLUME (inner dual concentric). Turn clockwise to apply power to the unit and to set the desired listening level. During normal CB operation, the VOLUME control is used to adjust the output level obtained either at the transceiver speaker or the external speaker, if used. 2. - Page 8 6. WX BUTTON. Press this button for instant selection of the NOAA weather bureau or Canadian receiver. Select the proper channel, with the rotary channel selector, for your area. It is normal to hear the same information on more than one channel, select the channel with best sound. To return to CB operation, push the WX button again.
- Page 9 16. SC INDICATOR. LCD indicator showing when the scan mode is activated. 17. MIC INDICATOR. LCD indicator showing when the low power microphone mode has been selected. 18. LOC INDICATOR. Indicates the local mode of receive has been selected. 19. FRQ BUTTON. Pressing this button causes the LCD to switch between channel and 5 digit frequency display.
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Page 10: Operating Procedure To Receive
PRESS-TO-TALK MICROPHONE The receiver and transmitter are controlled by the press-to-talk switch on the microphone. Press the switch and the transmitter is activated, release switch to receive. When transmitting, hold the microphone 2 in. from the mouth and speak clearly in a normal ‘’voice’’. The radio comes complete with a low- impedance (500 ohm) dynamic microphone. -
Page 11: Operating Procedure To Transmit
1. Be sure that power source, microphone and antenna are connected to the proper connectors before going to the next step. 2. Turn unit on by turning the VOL control clockwise on your transceiver. 3. Set the VOLUME for a comfortable listening level. 4. - Page 12 Press the WX button and select the desired channel for your area. The squelch and scan functions do not operate in the weather mode. LIMITED WARRANTY. Midland Consumer Radio will repair or replace, at its option without charge, any Midland Mobile, Base Station, or full power Hand-Held Citizens Band transceiver...
- Page 13 Midland Consumer Radio, Warranty Service Department 1670 North Topping, Kansas City, Missouri 64120, or to any “ Midland Authorized Warranty Service Station,” or to the place of purchase ( if a participating dealer).