Monacor SWR-2 User Instruction Manual
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Monacor SWR-2 User Instruction Manual

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USER INSTRUCTION MANUAL
MONACOR SWR and FIELD STRENGTH METER

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Summary of Contents for Monacor SWR-2

  • Page 1 USER INSTRUCTION MANUAL MONACOR SWR and FIELD STRENGTH METER...

  • Page 2: Table Of Contents

    INTRODUCTION Your Field-Strength SWR Meter helps you tune your CB or amateur radio system for the best performance. CB and amateur radio systems work best when the antenna system’s impedance matches the transmitter’s output impedance as closely as possible. The meter’s standing wave ratio (SWR) function helps you trim your antenna to the precise length you need for the maximum transmitted power.

  • Page 3: Measuring Swr

    MEASURING SWR Measuring SWR shows you how much of your radio’s transmit power is reflected from the antenna back into the antenna cable, generating heat and wasting power. With this information, you can adjust the length of your antenna or antenna cable so your antenna and radio combination can produce the maximum power they are capable of producing.

  • Page 4: Interpreting Swr Readings

    Notes: · An SWR reading will be different for different frequencies (channels/bands). If you transmit on one band more often than any other, select a channel within that band (e.g. UK or CEPT). If you transmit on several bands, choose a frequency in the middle of the range of channels you use.

  • Page 5: Improving Swr

    IMPROVING SWR There are several ways to improve the SWR of your radio/antenna combination. Try these first. · Be sure you are using the type of cable recommended for your equipment. If the manufacturer recommends a 50ohm cable, do not substitute another type that has different impedance.

  • Page 6: Calibrating The Meter/Measuring Field Strength

    Antenna Location The template shows an imaginary circle around an antenna. The spokes on the template represent imaginary straight lines measured from the centre of the circle to 36 points spaced equally around the circle. Each straight line is 25 feet in length. The numbers on the template (1–5) are a guide to show you where to mark the field strength level the meter displays as you measure.
  • Page 7 1. Ensure you have the wire antenna attached inserted it into FS ANT near the top of the meter. 2. Set FWD/REF to FWD 3. To calibrate the meter, have your helper select a channel or frequency on your transmitter and hold down its transmit key. Tell the helper not to speak into the microphone.

  • Page 8: Using Field Strength Readings To Tune Your Antenna

    USING FIELD STRENGTH READINGS TO TUNE YOUR RADIO AND ANTENNA You can use field strength measurements to monitor the effectiveness of changes you make to your radio and antenna while you make them. Changes you might make include: · Installing a new antenna or antenna cable ·...

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