4.8 To Use the Built-in Help System ...................................................................................................36
5 Vertical System ............................................................................................................... 37
5.1 To Enable or Disable the Analog Channel ................................................................................ 37
5.2 To Adjust the Vertical Scale ........................................................................................................... 38
5.3 To Adjust the Vertical Offset ..........................................................................................................40
5.4 To Specify Channel Coupling ........................................................................................................ 41
5.5 To Specify Bandwidth Limit ........................................................................................................... 41
5.6 To Specify Input Impedance ..........................................................................................................42
5.7 To Invert a Waveform ...................................................................................................................... 42
5.8 To Set Probe ........................................................................................................................................43
5.9 To Specify the Amplitude Unit ......................................................................................................45
5.10 To Adjust Bias ..................................................................................................................................... 45
5.11 To Specify the Skew ..........................................................................................................................46
5.12 To Turn the Channel Label Display On/Off ...............................................................................46
6 Horizontal System ......................................................................................................... 48
6.1 To Adjust the Horizontal Time Base ........................................................................................... 48
6.2 To Adjust the Horizontal Position ................................................................................................49
6.3 Zoom Mode (Delayed Sweep) ......................................................................................................50
7 Acquisition System ........................................................................................................52
7.1 Acquisition Mode ..............................................................................................................................52
7.2 Sampling Mode ................................................................................................................................. 54
7.3 Sample Rate ........................................................................................................................................ 55
7.4 Memory Depth ...................................................................................................................................56
7.5 Horizontal Expansion Reference .................................................................................................. 57
7.6 Roll Mode .............................................................................................................................................58
7.7 XY Mode ...............................................................................................................................................58
8 Triggering the Oscilloscope ....................................................................................... 61
8.1 Trigger Source .................................................................................................................................... 61
8.2 Trigger Level ........................................................................................................................................62
8.3 Trigger Mode ......................................................................................................................................62
8.4 Trigger Coupling ................................................................................................................................64
8.5 Trigger Holdoff ...................................................................................................................................64
8.6 Noise Rejection ..................................................................................................................................65
8.7 Trigger Type .........................................................................................................................................65
8.7.1 Edge Trigger ...........................................................................................................................66
8.7.2 Pulse Width Trigger .............................................................................................................67
8.7.3 Slope Trigger ..........................................................................................................................70
DHO900 User Guide
II
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