User Manual

EM1230

Handheld Digital Oscilloscope User

s Manual

corresponding attenuation factor or conversion factor

Time base range

Main Menu

Effective timing adjustment function

or Horizontal

compression expansion wave

Moves the waveform in the horizontal direction

Time base range

10ns/div 2h/div

Trigger

TRIGGER is a set of conditions that determine whether and when acquisitions start. The

following will determine the trigger conditions

a) Trigger Edge

b Trigger Level c Trigger Source d Trigger mode

Changing the trigger edge and trigger level

Main Menu

Effective trigger function

or Move up and down the trigger level

or Changing the trigger edge ,If you select , trigger occurs at a rising(positive)

edge of the signal. If you select , trigger occurs at a falling(negative) edge of the s

ignal.

Change the trigger mode and select the trigger source

Main Menu to continue Go to Trigger Set menu

Select CHA trigger

Select CHB trigger

Select the external signal as the trigger source

Select trigger mode: AUTO \ NORMAL \ SINGLE

AUTO

The instrument always performs acquisitions, i.e., it always displays the signals on the input.

NORMAL If NORMAL is selected, a trigger is always needed to start an acquisition

SINGLE SINGLE allows you to perform single acquisition to snap events that occur only once. is

used to start a next single acquisition.

S nS

F1 F2

R/H