Rigol MSO8000 Series, Руководство пользователя

Страница: 111 / 396

Chapter 5 To Trigger the Oscilloscope
RIGOL
MSO8000 User Guide 5-21
than the trigger level/threshold level of the channel.
⚫
L: sets the pattern of the channel selected to "L", i.g. the voltage level is lower
than the trigger level/threshold level of the channel.
⚫
X: sets the pattern of the channel selected to "X", i.g. this channel is not used as
a part of the pattern. When all channels in the pattern are set to "X", the
oscilloscope will not trigger.
Trigger Condition:
Press When , then rotate the multifunction knob to select the trigger condition,
and then press down the knob to select the trigger condition. You can also press
When continuously to select the trigger condition or enable the touch screen to tap
the desired trigger condition and select it.
⚫
> : triggers when the duration of the pattern is greater than the preset time.
Press Lower to set the lower limit of the duration of the pattern. Its range is
from 800 ps to 10 s.
⚫
< : triggers when the duration of the pattern is smaller than the preset time.
Press Upper to set the upper limit of the duration of the pattern. Its range is
from 800 ps to 10 s.
⚫
<> : triggers when the duration of the pattern is smaller than the upper limit of
the preset time and greater than the lower limit of the preset time. Press Upper
to set the upper limit of the duration of the pattern, and the range is from 801 ps
to 10 s. Press
Lower to set the lower limit of the duration of the pattern, and
the range is from 800 ps to 9.9 s.
⚫
>< : triggers when the duration of the pattern is greater than the upper limit of
the preset time or smaller than the lower limit of the preset time. Press Upper
to set the upper limit of the duration of the pattern, and the range is from 800 ps
to 10 s. Press
Lower to set the lower limit of the duration of the pattern, and
the range is from 800 ps to 9.9 s.
Note: The lower time limit must be smaller than the upper time limit.
All Bits:
Press All Bits to set the pattern of all trigger sources to the pattern setting selected
currently.
Trigger Mode:
In the trigger control area (Trigger) on the front panel, press Mode to quickly switch
the current trigger mode. For details, refer to descriptions in "Trigger Mode" .
Trigger Parameter Setting:
Set the trigger parameters (trigger holdoff and noise rejection) under this trigger
type. For details, refer to descriptions in "Trigger Holdoff" and "Noise
Rejection" .