刻度上直接標示6種波形，更方便使用。
頻率產生從0.5Hz~3MHz。
線性及對數掃描功\能。
最大20Vpp輸出(無載)。
Scale directly marked 6 kinds of waveforms, more convenient to use.
The frequency is generated from 0.5Hz to 3MHz.
Linear and logarithmic scanning.
Maximum output of 20Vpp (no load).
