Icom IC-7300, Руководство пользователя

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Your Transmitter
Tuners, Antenna Switches, Power and Monitoring
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Antenna Tuners – use sparingly
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They have loss and are generally not needed if SWR is ≤ 1.5:1
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Most built-in tuners will handle a 2:1 mismatch
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If you must tune up on the air, do it at low power and off the operating
frequency of others
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If you rig has automatic antenna switching, configure it to put you on your best
antenna for each band
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Your station should be configured to monitor output power and SWR at all times
while Transmitting
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Key an eye on temperature meter if you are operating in digital modes for long
periods and/or at high duty cycles