Boonton 4540 Peak Power Meter User Manual Manuel d'utilisateur télécharger pdf (Page 94)

Boonton 4540 Series RF Power Meter

Operation

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Main > Time > Trig Delay

Description: Set the trigger delay time in seconds with respect to the trigger. Positive values cause the

actual trigger to occur after the trigger condition is met. This places the trigger event to

the left of the trigger point on the display, and is useful for viewing events during a pulse,

some fixed delay time after the rising edge trigger. Negative trigger delay places the

trigger event to the right of the trigger point on the display, and is useful for looking at

events before the trigger edge.

Menu Type: Numeric Value.

Range: Timebase setting Trigger Delay range

5 ns/div to 500 ns/div –4 ms to +100 ms

1 µs/div to 10 ms/div ±4000 divisions

20 ms/div to 3600 sec/div –40 to +100 sec

SCPI Command: TRIGger:DELay <numeric_value>

Main > Time > Position Cntrl

Description: Selects the trigger position mode. Preset provides three trigger positions, while Vernier

allows the user to select any positon from -30.0 to + 30.0 divisions in 0.1 division

increments relative to the trigger event.

Menu Type: Toggle.

Choices: Vernier, Preset

SCPI Command: None. Note: Selecting TRIGger:VERNier or TRIGger:POSition forces the position

cntrl setting.

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Boonton 4540 Peak Power Meter User Manual Manuel d'utilisateur Page 94