DMTA‐10007‐01EN[U8778365],Rev. B,June2010
38Chapter2
• 1stPeak:Acquiresmeasurementreadingsbasedonthefirstpeaktocrossthegate
threshold(level)[seeFigure 2‐11onpage 38].
• Edge:Acquiresmeasurementreadingsbasedonthepositionofthefirstcrossing
pointofagatedsignal(seeFigure 2‐11onpage 38).
Figure 2‐11MeasurementtriggerinEdge,Peak,and
1stPeakmodes
2.3.4 Alarm Indications
Wheneveranalarmistriggeredoneithermeasurementgate,theoperatorisalertedin
twodifferentways:
•AnaudibletoneisemittedfromtheEPOCH 600
•Oneoftwoalarmindicators(LEDs)isilluminatedonthefrontpanelofthe
EPOCH 600(seeFigure 2‐12onpage 38)
Figure 2‐12Gate 1andgate 2alarmindicator
lights
Gate 1 alarm indicator
Gate 2 alarm indicator