Vertical Control
40
7.2
Vertical Scale
The
Vertical Scale Knob
changes the analog channel scale in a 1-2-5
step sequence (with a 1:1 probe attached), unless Fine Adjustment is enabled.
The analog channel’s vertical scale (Volts/
div) value is displayed in the
channel’s
descriptor box.
To adjust the vertical scale:
•
Use the touchscreen vertical pinch gesture.
•
Touch the channel descriptor box to open the vertical scale/offset dialog.
•
Turn the
Vertical Scale Knob
.
7.2.1
Coarse/Fine Adjustment
Push the channel’s vertical scale knob (or press the channel’s descriptor box then
uncheck Coarse) to toggle between fine and coarse adjustment of the vertical scale.
When
Fine
adjustment is selected, you can change the
channel’s
vertical sensitivity in
smaller increments. The channel sensitivity remains fully calibrated when
Fine
is on.
When Fine is turned off, turning the
Vertical Scale Knob
changes the channel
sensitivity in a 1-2-5 step sequence.
7.3
Vertical Position
The offset voltage value represents the voltage difference between the vertical center
of the display and the ground level (
) icon.
To adjust the vertical position:
•
Use the touchscreen pinch and drag gestures.
•
Touch the channel descriptor box to open the vertical scale/offset dialog.
•
Turn the
Vertical Position Knob
to move the
channel’s
waveform up or down on
the display.
Figure 7.4
Channel Descriptor Box
Figure 7.5
Vertical Scale/Offset
Dialog
Push the
Vertical Position Knob
to set the ground level to zero.
Note: