Agilent Technologies 1912A Guia do Utilizador descarregar pdf (Página 169)

Using E9320 E-Series Power Sensors 4

N1911A/1912A P-Series Power Meters User’s Guide 143

Select Pressing displays the gate markers or trigger

markers.

Markers When is selected, Markers 1 and 2 indicate the start and

end points of the selected measurement gate. Pressing toggles

between the two markers, the highlighted marker is the currently active

marker. Use the and keys to move the markers left or right across

the display.

The tables on the lower left of the screen show the time (

Time:) and the

instantaneous power level (

Pow:) of the markers at their configured points.

The table highlighted with the green border represents the active marker,

also highlighted in green. A negative time value indicates a measurement

before the trigger point. (See Figure 4- 107).

Figure 4-108Trace display with trigger delay menu

TgD el When is selected you can adjust the trigger delay. The

display changes to remove the gate markers and displays the trigger

marker(s). The indicates when the trigger event occurs, whilst shows

the delayed trigger point. When the two points coincide, only the

trigger is shown.

Select Mrks Tgdel

Mrks

Marker

NOTE

Gate timing parameters are all related to your chosen trigger point. This may be different

from the timing of the triggering event if you have configured a trigger delay.

Trigger Delay Value

TgDel

1 2 ... 164 165 166 167 168 169 170 171 172 173 174 ... 296 297

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Agilent Technologies 1912A Guia do Utilizador Página 169