User Manual

Auto Use this mode to let the acquisition free-run in the

absence of a valid trigger; This mode allows an

untriggered, scanning waveform at 100 ms/div or

slower time base settings.

Normal Use this mode when you want to see only valid

triggered waveforms; when you use this mode, the

oscilloscope does not display a waveform until after

the first trigger.

Mode

Single when you want the oscilloscope to acquire a single

waveform, press the “SINGLE ”button.

Set up Enter the “Trigger Setup Menu”(See table 2-14).

Table 2-14 Trigger Setup function menu

Option Setting Explain

DC Passes all components of the signal

Blocks DC components and attenuates signals

below 10 Hz.

HF Reject

attenuates the high-frequency components above 80

kHz.

Coupling

LF Reject

Blocks the DC component and attenuates the

low-frequency components below 300 kHz.

Holdoff Using the “universal” knob to adjust holdoff

time(sec)ˈthe holdoff value is displayed.

Holdoff

Reset

Reset holdoff time to 100ns.

Return Return the first page of “ Trigger main menu”.

Picture 2-30

Operate Instruction:

1. Set up Type

1) Press the “TRIG MENU” button to display “Trigger” menu.