Multimeter
DSO1000B Series HandHeld Oscilloscope User Manual 63
Taking a Relative Measurement
A currently measured result relative to the defined reference value is displayed in a relative
measurement.
The following example shows how to take a relative measurement. At first, it is required to
acquire a reference value.
1) Press the Okey.
2) Insert the black lead into the COM banana jack input and the red lead into the V/O/C banana jack
input.
3) Connect the red and black test leads to the resistor. The resistance value is shown on the screen
in Ohm.
4) When the reading leveling off, press F1 key and then ||/△is displayed on the top of the screen.
The saved reference value is displayed beside.
Then, the screen will look like the following figure 7-12.
Figure 7-12 Relative Measurement
Selecting Automatic/Manual Range Adjustment
The default range mode of the instrument is automatic range. Suppose you are using the
DC voltage mode, to switch to the manual range, perform the following steps:
1) Press F3 key to enter the manual range mode and then Manual is displayed on the top of the
screen.
2) Under the manual range mode, the measuring range is increased by a stage when pressing F4
key each time, and when reaching the highest stage, it jumps to the
lowest stage by pressing F4 key once again.
3) Press F3 key to switch back to the automatic range mode and then Auto is displayed on the top
of the screen.
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