Owon TAO3000 Dual-Channel Series, User Manual

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3.Junior User Guidebook
13
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. Click the
icon, select the
Utility softkey, select Function
in the bottom menu, select Adjust in the left menu, select Self Cal in the
bottom menu; run the program after everything is ready.
Introduction to the Vertical System
As shown in Figure 3-10 , there are a few of buttons and knobs in Vertical
Controls .
Press one of the channel buttons CH1 or CH2 to open the corresponding
channel menu, and press again to turn off the channel.
If you want to set the vertical position and vertical scale of a channel, please
press CH1 or CH2 at first to select the desired channel. Then turn the upper or
lower knob to set the values.
Upper knob : adjust vertical position
When one of the
channel buttons is lit
Lower knob : adjust vertical scale
Figure 3-10 Vertical Control
The following practices will gradually direct you to be familiar with the using of the
vertical setting.