UNI-T UT 4000 Series Manuel d'utilisateur télécharger pdf (Page 49)

UNI-T

UT4000 User Manual

X-Y Mode

This mode is suitable for CH1 and CH2 only. After selecting the X-Y display mode, the

horizontal axis will display the CH1 signal, while the vertical axis will display the CH2

signal.

Figure 2-22 Waveform display in X-Y mode

Caution :

In the normal X-Y mode, you can adjust waveform amplitude with VOLTS/DIV of the

two channels. Adjusting the SEC/DIV time base knob will result in a lissajous figure of

better display quality.

The following functions are disabled in the X-Y display mode :

 Automatic measurement mode

 Cursor measurement mode

 Reference or maths waveform

 Vector display type

 Horizontal [POSITION] knob

 Trigger control

Key points :

Display Type : Vector display fills the space between adjacent sampling points in display.

The dot mode displays only the sampling points.

Refresh Rate : Refresh rate is the number of times the digital storage oscilloscope

refreshes the waveform display per second. The refreshing speed affects the capability to

observe signal movements speedily.

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UNI-T UT 4000 Series Manuel d'utilisateur Page 49