Triggering
TDS 620A, 640A & 644A User Manual 3Ć135
TriggerPosition Relative to the
Display and Waveform Record
TriggerPoint Indicator Indicating
the TriggerPosition on the
Waveform Record
TriggerBar Indicating the Trigger
Level on the Waveform Record
Figure 3Ć73:ăRecord View, TriggerPosition, and Trigger Level Bar Readouts
"& & &$$ #"!& !&"$ ! ( $ $ %#+ $" & %#+
!'    "! # , "$ "$ !"$ &"!
 &$$ &+#  " ! #'% % &% ")! ! &$$ !'
) % %$ !  %#$& #$& " &% %&"! %   

"%& & &$$ &+# #$%% TRIGGER MENU➞Type !➞Edge
Logic"$Pulse #"#,'#
  "! # ,
  "! # ,
  "! # ,
   "! # ,
 "! # ,
 &    ���    &$"!*#$&
!' $ ,,
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