Ceyear 4051 Series, User Manual

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5 Menu
5.2. Description of menu
385
[Free Run]
● Menu description: when the previous single or continuous sweep finishes, the next sweep or
measurement is automatically triggered.
●
Remote Command:
:TRIG:SOUR IMM
[Video ▶ ]
●
Menu description: to set the Trigger Mode as Video Trigger. When the positive slope part of input
trigger signal passes through the video trigger level determined by [
Trig Slope Pos Neg
], the sweep will
be triggered. The trigger level value can be set by the number keys, stepping keys or knob. The red line
on the screen indicates the selected trigger level. The soft More include [Trigger Level], [
Trig Slope Pos
Neg
], [Trig Delay On Off].
● Remote Command:
:TRIG:SOUR VID
[Trigger level]
●
Menu description: to set the Trigger Level Threshold of the Video Trigger.
● Key path:
【
Trig
】
, [Video
▶
], [Trigger Level] on the front panel.
● Status saved: saved in the instrument status.
● Factory preset: -25dBm.
● Setting range: max.: -270dBm-30dBm. The current settable range is coupled with the current reference
level and scale/division. The maximum is the level represented by the top graticule, and the minimum
value is the level represented by the bottom graticule.
● Default unit: dBm.
●
Remote Command:
:trigger[:sequence]:video:level <ampl>
:trigger[:sequence]:video:level?
● Examples:
:TRIG:VID:LEV -25dBm
:TRIG:VID:LEV?
[
Trig Slope Pos Neg
]
● Menu description: to set the trigger polarity of the Video Trigger, where Positive means positive edge
trigger, and Negative means negative edge trigger.
●
Key path: 【 Trig 】 , [Video ▶ ], [Trig Slope Pos Neg] on the front panel.
●
Status saved: saved in the instrument status.
●
Factory preset: Positive.
● Remote Command:
:trigger[:sequence]:video:slope positive|negative