... waveform, the quality of the flaws can be determined. 2. Automatic gain: automatically adjust the gain to the preset amplitude height ... power in the near field is not influenced, only the remote signal will be compensated for its sensitivity so as to ... -110)dB,0.1dB,1.0dB, 2.0dB,6.0dB Full automatic adjustment of stepsReject scope: 0-80% adjustableVertical linearity error: ≤3 ...