Option
Setting
Table 2-15 Trigger Setup function menu
Explain
Coupling
DC
Passes all components of the signal
AC
Blocks DC components and attenuates signals
below 170 Hz.
HF Reject
attenuates the high-frequency components
above 140 kHz.
LF Reject
Blocks the DC component and attenuates the
low-frequency components below 7 kHz.
Holdoff
Using the universal knob to adjust holdoff
time(sec)，the holdoff value is displayed.
Holdoff Reset
Reset holdoff time to 100ns.
Return
Return the first page of Trigger main menu.
Mode
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.
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).
32
Digital
S
torage
O
scilloscope
Digital Storage Oscilloscope
33
1. Set up Type
●
Press
the TRIG MENU button to display Trigger menu.
●
Press
the Type option button to select Edge.
2. Set up Source
According to input signal, press the Source option button to select CH1, Ch2,
EXT, EXT/5or AC Line.
3. Set up Slope
Press the Slope option button to select , or .
4. Set up Trigger mode
Press the Trigger mode option button to select Auto, Normal, Single.
Auto: The waveform refresh at a high speed whether the trigger condition is
satisfied or not.
Normal: The waveform refresh when the trigger condition is satisfied and waits
for next trigger event occurring when the trigger condition is not satisfied.
Single: The oscilloscope acquire a waveform when the trigger condition is
satisfied and then stops.
5.Set up Trigger coupling
A. Press the Set up button to enter the Trigger Setup Menu.
B. Press the Coupling option button to select DC, AC, HF Reject or LF
Reject.
Operate Instruction:
