Table 2-14 Trigger setup function menu:
Option Setup Description
Coupling
DC
AC
High-frequenc
y rejection
Low-frequency
rejection
All the components of a passing signal.
Reject DC components, and attenuate the signals
lower than 50Hz.
Attenuate high-frequency components higher than
150kHz.
Reject DC components, and attenuate
low-frequency components lower than 7kHz.
Trigger
hold-off
Use the [UNIVERSAL] knob to regulate the hold-off
time
Reset
Reset the trigger hold-off time to be the minimal
value 100ns
Back
Back to the homepage of the trigger menu
Operation steps:
Set the types
1) Press [TRIG MENU] to display the “TRIGGER” menu.
2) Press “Type” to select “Edge” trigger.
Set the signal sources
3) Press “Signal source” to select “CH1”, “CH2”, “EXT”, “EXT/5” or “AC Line” according
to the signal input.
Set the slopes
4) Press “Slope” to select “Rise edge”, “Fall edge” or “Rise and fall edge”.
Set the trigger modes
5) Press “Trigger mode” to select “Auto”, “Normal” or “Single”.
Auto: Refresh the waveform no matter whether the waveform satisfies
the trigger condition.
Normal: Refresh the waveform when the waveform satisfies the trigger
condition, otherwise, do not refresh the waveform and wait for
occurrence of the next trigger event.
Single: Acquire the waveform once when the waveform satisfies the
trigger condition, and then stop.
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