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Set horizontal system
The HORIZONTAL CONTROLS consist of the HORIZ-MENU button and adjustment knobs such as
HORIZONTAL POSITION and SEC/DIV.
1. adjustment knob HORIZONTAL POSITION: with this adjustment knob you control the horizontal
positions of all channels (including those created by mathematical calculation) whose resolution changes
with the time base.
2. setting knob SEC/DIV: with this you set the horizontal scale factor with which you determine the main
time base or window.
3. key HORIZ Menu: Press this key to display the operating menu on the screen.
Enlarge waveform (zoom)
Press the HOR button and the display splits in the middle. The upper half of the display shows the main
window and the lower half shows the zoom window. The zoom window is a magnified area of the main
window.
 When Main Window is selected in the bottom menu, Horizontal Position and SEC / DIV are used to
adjust the horizontal position and time base of the main window. The time base of the zoom window is
also changed.
 When Zoom Window is selected in the bottom menu, the Horizontal Position and SEC / DIV are used
to adjust the horizontal position and time base of the zoom window.
Hint:
If the time base of the zoom window is the same as in the main window, the interface is automatically
switched back to normal mode and the zoom mode is switched off.
You can also zoom in on the waveform using the touch screen, as described in the associated chapter.