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 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.
CH1 - CH4 buttons, press one of the channel buttons to open the corresponding
channel menu, press again to turn off the channel.
Press the Math button to display the math menu in the bottom. The pink M
waveform appears on the screen. Press again to turn off the math waveform.
Each channel has a set of Vertical Position and Vertical Scale knob. The two
knobs are marked by different colors which are also used to mark the
waveforms on the screen and the channel input connectors. To set the vertical
position and vertical scale of a channel, please press CH1, CH2, CH3 or CH4 to
select the desired channel, and then turn the corresponding Vertical Position
and Vertical Scale knobs to set the values.
Figure 3-10 Vertical Control Zone
The following practices will gradually direct you to be familiar with the using of the
vertical setting.
1. Press CH1, CH2, CH3 or CH4 to select the desired channel.
2. Use the Vertical Position knob to show the selected channel waveform in the
center of the waveform window. The Vertical Position knob functions the
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