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4.Advanced User Guidebook
2. The Vertical Scale knob is used to regulate the vertical resolution of the wave
forms. The sensitivity of the vertical division steps as 1-2-5.
The vertical position and vertical resolution is displayed at the left bottom corner of
the screen (see Figure 4-7).
Figure 4-7 Information about Vertical Position
How to Set the Horizontal System
The HORIZONTAL CONTROLS includes the Horizontal HOR button and such
knobs as Horizontal Position and Horizontal Scale.
1. Horizontal Position knob: this knob is used to adjust the horizontal positions of
all channels (include those obtained from the mathematical manipulation), the
analytic resolution of which changes with the time base.
2. Horizontal Scale knob: it is used to set the horizontal scale factor for setting the
main time base or the window.
3. Horizontal HOR button: push it to switch between the normal mode and the
wave zoom mode. For more detailed operations, see the introductions below.
Zoom the Waveform
Push the Horizontal HOR button to enter wave zoom mode. The top half of the
display shows the Main window and the bottom half displays the Zoom window. The
Zoom window is a magnified portion of the Main window.
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