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2.
SEC/DIV Knob: Used to change the horizontal time scale so as to magnify or compress the waveform
horizontally. If the waveform acquisition is stopped (by using the RUN/STOP or SINGLE SEQ button), the
SEC/DIV control will expand or compress the waveform. In dual-window mode, push this knob to select major
or minor window. When the major window is selected, this knob provides the same functions as it provides in
single-mode window. When the minor window is selected, turn this knob to scale the waveform whose
magnification is up to 1000.
Notes:
1.
For more information of the trigger holdoff, see
Trigger Controls
.
2.
In single-window mode, press F0 to hide or show the menus on the right side. The dual-window mode does not
support the menu hiding function.
5.2.1 Scan Mode Display (Roll Mode)
With the SEC/DIV control set to 80ms/div or slower and the trigger mode set to Auto, the oscilloscope works in the
scan acquisition mode. In this mode, the waveform display is updated from left to right without any trigger or
horizontal position control.
5.3
Vertical Controls
Vertical controls can be used to display and remove waveforms, adjust vertical scale and position, set input
parameters and perform math calculations. Each channel has a separate vertical menu to set. See below for menu
description.
1.
VERTICAL POSITION Knob
Move the channel waveform up and down on the screen. In dual-window mode, move the waveforms in both
windows at the same time in a same direction. Push this knob to return waveforms to the vertical center position on
the screen. Two channels correspond to two knobs.
2.
Menu (CH1, CH2
,
CH3, CH4):
Display vertical menu options; turn on or off the display of channel waveforms.
