Snap-On VERDICT D7, Руководство пользователя

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80
M2 Data Acquisition Device Digital Multimeter Operations
Figure 8-11 Sample scope setting
Soft key functions are unique when performing oscilloscope tests. In this mode there are seven
available setting ranges for the F2, F3, and F4 keys. Pressing the F1 key scrolls up through the list
of settings, and pressing the S key scrolls down through the list. The F1 area on the screen shows
which of the six settings is currently active (
Figure 8-12 ). Available scope functions are shown in
the table below:
Display Selections
With the scope in the display mode the soft keys perform the following functions:
• F2 —the first press pauses data collection to allow closer examination of the waveform, the
second press restores data collection.
•
F3 and Range —each press of the F3 key advances up to the next available scale, which is
the value of the voltage displayed vertically on the screen. The currently selected scale is
shown at the top of the screen. The Range key moves incrementally down through the list of
available scales.
• F4 and Graph —each press of the F4 key advances to the next timebase, or sweep rate,
which is the time represented on the width of the display. The currently selected timebase is
shown at the top of the screen. Use the Graph key to move incrementally down through the
list of available time bases. Press and hold the F4 key to return to the default setting.
Setting F1 Key S Key F2 Key F3 Key F4 Key
Display
Scroll up Scroll down
Freeze Scale Time
Trigger Slope Level Channel
Preset A GCI&S† LF AC† HF AC†
Preset B PCI&S† LF DS† HF DS†
Special Peak Invert Coupling
Position Move Ch1 Trace Move Ch2 Trace Not Used
Channel Display Ch1 Display Ch2 Check scales
† See page 83 for acronym definitions