Instruction/ maintenance manual of the product 79-290 Midland Radio
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2 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 Fro.
3 TRANSMITTER Power Output AM 4 Watts SSB 12 Watts PEP Modulation AM/SSB Intermodulation SSB 3 rd order, more than -25 dB Distortion 5 th order, more than -35 dB SSB Carrier Suppression 55 dB Unwanted Sideband 50 dB Frequency Response AM 350 to 2500 Hz RECEIVER Sensitivity .
4 Your new Midland model 79-290 represents cutting edge technology in the communications field. From its high tech de tachable control panel to finned cast almuinum transmitter heatsink it incorporates features found on no other CB.
5 Use of a mobile receiver at low signal levels is norm ally limited by the presence of electrical noise. The primary source of noi se in automobile installations is from the vehicle itself. If the CB operates quie tly with the car motor turned off it’s most likely that the car electrical system is generating noise.
6 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.
7 FRONT PANEL DRAWING 1 . ON/OFF VOLUME (inner dual concen tric). Turn clockwise to apply power to the unit and to set the de sired 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.
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.
9 16. SC INDICATOR. LCD indicator showing wh en 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.
10 PRESS-TO-TALK MICROPHONE The receiver and transmitter are controlled by the press-to-talk switch on the microphone. Press the switch and the tran smitter is activated, release switch to receive. When transmitting, hold the microphone 2 in. from the mouth and speak clearly in a normal ‘’voice’’.
11 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 com fortable listening level.
12 An SSB signal may be received only when the listening receiver is functioning in the same mode. In other words, an upper sideband signal (U SB) may be made intelligible only if the receiver is functioning in the USB position.
13 which fails due to a defect in material or workmanship within one y ear following the initial consumer purchase. This warranty does not include any carrying cases, earphones, or telescoping antenna.
An important point after buying a device Midland Radio 79-290 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Midland Radio 79-290 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Midland Radio 79-290 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Midland Radio 79-290 you will learn all the available features of the product, as well as information on its operation. The information that you get Midland Radio 79-290 will certainly help you make a decision on the purchase.
If you already are a holder of Midland Radio 79-290, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Midland Radio 79-290.
However, one of the most important roles played by the user manual is to help in solving problems with Midland Radio 79-290. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Midland Radio 79-290 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center