AMERITRON ATR-30 Instruction Manual Download | Manualshive

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Summary of Contents for ATR-30

Page 1: ...o standard power rating method Power level descriptions i e 3 kW Tuner used for tuners often carry over from the time when amplifiers were rated by peak power input For example the Kilowatt Johnson Ma...

Page 2: ...times higher than the average voice power reading Forward power is displayed on the left hand FORWARD meter scale This scale is calibrated from 0 to 300 watts and is read directly in the 300 watt LO M...

Page 3: ...unter lamps will not function 2 Locate the tuner in a convenient location at the operating position If random wire or balanced lines are used the rear panel ceramic feed throughs may operate with high...

Page 4: ...with the ANTENNA SELECTOR 3 Position the ANTENNA TRANSMITTER and INDUCTANCE controls at the following settings Band ANT TRANS IND Band ANT TRANS IND 160 M 1 38 20 M 5 81 80 M 2 63 17 M 6 82 75 M 2 1...

Page 5: ...r power rating WARNING 1 Never operate the tuner with the top removed Voltages inside the tuner can cause painful RF burns 2 Never rotate the ANTENNA SELECTOR switch while transmitting Doing so may pe...

Page 6: ...fences may work well enough in many cases especially if they are connected together with multiple wires but the best RF grounds are radial systems or multi wire counterpoises Radials and counterpoises...

Page 7: ...otherwise perfect antenna system very difficult or impossible to tune One example where this problem occurs is on 80 meters when an odd quarter wave 60 to 70 foot open wire line is used to feed a half...

Page 8: ...lf wave or shorter dipole antenna on 160 meters can be a disaster for both your signal and the tuner The best way to operate 160 meters with an 80 or 40 meter dipole antenna is to load either or both...

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Page 10: ...log below to record settings for your antennas You may want to copy this chart and post it by your tuner Antenna type Frequency MHz Transmitter Antenna Inductor 1 8 1 8 2 0 2 0 3 5 3 5 3 5 3 75 3 75...

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