Datasheet

14
How to Use the Probe Safely
The safety guard ring around the probe body protects your finger against any electric shock,
shown as Figure 1-9.
Figure 1-9 Finger Guard
Warning:
To avoid electric shock, always keep your finger behind the safety guard ring of the
probe during the operation.
To protect you from suffering from the electric shock, do not touch any metal part of
the probe tip when it is connected to the power supply.
Before making any measurements, always connect the probe to the instrument and
connect the ground terminal to the earth.
How to Implement Self-calibration
The self-calibration application can make the oscilloscope reach the optimum condition rapidly
to obtain the most accurate measurement value. You can carry out this application program at
any time. This program must be executed whenever the change of ambient temperature is 5℃
or over.
Before performing a self-calibration, disconnect all probes or wires from the input connector.
Push the Utility button, select Function in the right menu, select Adjust. in the left menu,
select Self Cal in the right menu; run the program after everything is ready.
Introduction to the Vertical System
As shown in Figure 1-10, there are a few of buttons and knobs in Vertical Controls. The
following practices will gradually direct you to be familiar with the using of the vertical setting.