UNI-T UT 4000 Series Manuel d'utilisateur télécharger pdf (Page 60)

UNI-T

UT4000 User Manual

RUN/STOP : Acquire waveform continuously or stop acquisition.

If you want the oscilloscope to acquire waveform continuously, press [RUN/STOP] once.

Press the button again to stop acquisition. You can use this button to switch between

acquiring and stop acquiring waveform. In the Run mode, a green light comes on and

AUTO appears on the screen. In the STOP mode, a red light comes on and STOP appears

on the screen.

Menu Display ON/OFF: To display or hide the current menu

With the “menu ON/OFF” key, you can display or hide the menu currently on screen.

When the menu is hidden, a vertical yellow band will appear on the right side of the

screen

Logic Analyzer (LA) Measurement

There are 16 LA channels.

Maximum sampling rate : 250Msaps.

Storage depth : 512K.

Maximum input voltage : ±40Vpp.

Minimum voltage swing : 1.2 Vpp.

Trigger types available are : edge, pattern, duration.

The following is the LA operation menu.

Table 2-25

Function/Measurement Item Explanatory Note

LA function LA functions ON/OFF.

Channel setup See Table 2-26.

Threshold type Select threshold type : TTL, CMOS, ECL or any user

defined threshold type.

⎯

Sequence Sequence of channels currently open, from small to

large.

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 98 99

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UNI-T UT 4000 Series Manuel d'utilisateur Page 60