Promax OD-590 Manual De Usario página 207

USER'S MANUAL. OD-590/91/92
Trigger source
Trigger mode
Slope
Page 81
CH1~CH2: Channel 1~Channel 2 (2CH
model)
CH1~CH4 Channel 1~Channel 4 (4CH
model)
External Signal from the External
trigger input (only for 2CH
model)
Line AC Power supply signal.
Auto The oscilloscope generates
an internal trigger if there is
no trigger event. Select this
mode when viewing rolling
waveform
timebase,
10s/div.
Normal The oscilloscope acquires
waveform in a trigger event.
Single The
waveform only once in a
trigger
Run/Stop key to acquire
again.
Auto Level The
automatically
trigger level indicator to the
center part of the waveform.
Rising edge.
Falling edge.
at slower
maximum
oscilloscope acquire
event. Press
oscilloscope
adjusts the
01-2007