Owner`s manual

24
MEASURING A DC VOLTAGE
In oscilloscope measurements, the DC component of a
waveform is usually measured in terms of its DC flat-
line or AC average displacement above or below a ref-
erence line.
The maximum DC voltage measurement you can make
is determined by the positions of the input voltage se-
lector and the zero line.
For example, if the input voltage selector is set to 10
and the zero line is set at the middle position, the max-
imum measurement is ±5 Volts.
Follow these steps to measure a DC voltage deflection.
1. Continuously press the ProbeScope’s Menu but-
ton until
DVM
appears on its display, then press
the Select button.
2. Set the input coupling switch to
GND
.
Note
: When you set the input coupling switch to
GND
, the ProbeScope automatically resets the
trigger mode to
AUTO
.
3. Connect the
GROUND
(0 volt) wire to the signal
source’s ground or reference level.
0
–5V
+
5V
Zero Line
22-310.fm Page 24 Friday, August 6, 1999 12:26 PM