DN112-06v02
JYE Tech - 9 - www.jyetech.com
Ø SING This is called SINGLE mode. It works very much the
same as NORMAL mode. The only different is that once a
valid trigger is detected the oscilloscope performs capture
and updates display. It then enters HOLD state and stops
further capture. It will stay in HOLD state until be released
manually. This mode is usually used to capture non-repeat
signals.
Note: Trigger is ignored when timebase is set to 5us/Div or
faster. This is because MCU is too busy to handle
trigger at these timebase settings.
Trigger Slope
Trigger slope is the signal slope that is chosen to compare with
trigger level. When the selected signal slope intersects with
trigger level a valid trigger is detected. The moment when the
intersection happens is used as reference point for waveform
display.
Trigger slope can be selected as rising, where signal is from low
to high (also known as Positive), or falling, where signal is
from high to low (also known as Negative).
Trigger Position
Trigger position is a reference point in capture buffer that you
choose to align it with trigger moments. If trigger position is
selected to close the start of capture buffer you will see more
waveform after trigger. Vice versa, you will see more waveform
before trigger. For DSO112A trigger position can be chosen to
1/8, 1/4, 1/2, 3/4, or 7/8 of capture buffer.
Trigger Source
Trigger source is the signal that is chosen to compare with
trigger level. For DSO112A trigger source can be internal, i.e.
the signal from scope input connector, or external, which is
signal from the test signal connector.
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