BA4TEK Could someone with experience help me understand this? Are these situations similar to what others have encountered? But isn't this a case of automatic antenna tuning?
BD4UJA It's not about him being able to automatically turn on; it's about the tuning process happening automatically. However, doesn't he lose his settings after being turned off? If you switch him back on, he will be in a tuning state.
BA4TEK BD4UJA Thank you. Also, if some of the frequency bands are outside the tuning range, does that mean they cannot be tuned?
Liridice According to the MAT-30 introduction, it should be possible to remember and recall previously used frequency tuning data.
BD8DLV mat30的调谐逻辑是针对不同频率点（及其附近的一部分频率范围内）单独储存调谐参数；即使在同一波段切换频率的时候，如果打开了TNR，当频率超出了调谐记忆点频率范围后，发射直接会报驻波∞。如果在某一范围内搜索信号的时候，建议关闭TNR，等到回复的时候再调谐也是可以的。 另外，鉴于mat30的这一特性，在FT8通信时如果打开电台本身的SPL异频功能，某些特殊时候发射的波段正好超出调谐频率范围，使得无法正常发射信号，这个时候需要额外注意。
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