The frequency value, sweep method and sweep rate can be input by keyboard.
频率值，扫频方式和扫频速平均可由键盘输入。
Manually or automatic log. sweep in one range. Setting spot ( random ) frequency also available.
可手动或自动对数扫频，起扫／止扫频率范围可依需要任意设定。
Manually or automatic log. sweep in one range. Setting spot ( random ) frequency also available.
可手动或自动对数扫频，起扫／止扫频率范围可依需要任意设定。
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