Velleman PCS100A pcs100 - pcs500 - k8031 - Manual (Page 21)

PCS500 / PCS100 / K8031
21
SOFTWARE CONTROLS
Remark:
•
Due to software upgrades, the actual menus can differ from the ones
described in this manual, please also refer to the Help file (English o nly)
•
PCS100 / K8031 has only one channel and no external trigger input
VOLTS/DIV
Selected value indicates the peak-to-peak voltage required to produce a peak-
to-peak deflection of one major division on the screen.
CH1, CH2
Buttons turn the display of the trace ON or OFF. To get the cursor
measurements of CH2 voltage values switch CH1 off.
COUPLING
AC: the input signal is capacitive coupled to the input amplifier/attenuator. Only
the AC components are measured.
GND: (not for K8031) the input signal is b roken and the input
amplifier/attenuator is connected to earth. Use this position for selecting a
reference point on the display.
DC: the input signal is directly connected to the input amplifier/attenuator. Both
AC and DC voltage are measured.
TIME/DIV
Selects the time setting for the beam to sweep one major division on the
screen.
Selection of TIME/DIV is possible to zoom in on the frozen waveform display.
RUN
Selects recurrent display update mode (RUN). Pressing the button again
freezes the display.
SINGLE
When button is depressed refreshment of the display takes place only once.
X-POSITION SCROLLBAR (Below the waveform display)
Positions the trace horizontally on the screen.