Pro file This soft key be comes avail able when the Sys tem|Setup|MODE is set to Pro file .
Pro file op era tion mode in cludes the fol low ing dis play con trols:
CHAN NEL
[GRMD]
Se lect Chan nel 1 or Chan nel 2. The chan nel se lected will be dis -
played on the left of the screen, above the mid dle value of the y
axis and is used for all Pro file data dis plays.
PE RIOD
[GRPRD]
Sets the time pe riod over which the sys tem col lects data and
scales the data into the pro file graph af ter a trig ger event. En ter
the data col lec tion pe riod in ms or
µs. See Sys tem|Graph -
ics| Pretrig % to move the t=0 (trig ger event po si tion) of the dis -
played wave form.
DE LAY
[DTRGD]
Speci fies the pe riod of time af ter a trig ger event to de lay the start
of the dis play win dow. For the trig ger to line up with the marked
trig ger point on re peti tive wave forms, the de lay pe riod should be
ei ther zero, or set to in te ger mul ti ples of 1/PRF (Pulse Repe ti tion
Fre quency). En ter the de lay pe riod in ms or
µs.
DATA HOLD
[GRPIX]
This se lects how the graph is dis played on the screen. Se lect from
NORMAL, Min&Max, Min, or Max.
NOTE
If ei ther Min&Max, Min, or Max is se lected, the dis play
will keep the “old” data and may ap pear sta tion ary. The
DATA HOLD mode in use is dis played on the left of the
screen, be low the mid dle value of the y axis.
With Min & Max se lected, the mini mum and maxi mum points for
each sam ple are shown. If Con nect Points is ON (de fault)
(
SYSTEM|Graphics|CONNECT ), a ver ti cal bar is drawn be tween
these points. See CLEAR, un der CONTROL to re start the
pro cess.
Min dis plays only the min i mum for this sam ple po si tion un til re -
set by re turn ing to NORMAL.
Max dis plays only the max i mum for this sam ple po si tion un til re -
set by re turn ing to NORMAL.
Power vs. Time This soft key be comes avail able when the
Sys tem|Setup|MODE is set to Power
vs. Time mode. Power vs. Time mode dis plays mea sure ments in a chart-like
for mat show ing his tory over a pe riod of time. The mea sure ments dis played are
taken un der the conditions of the Read out mode, and can there fore in clude all
trig ger ing and cor rec tion set tings set up in that mode.
Power vs. Time op era tion mode in cludes the fol low ing dis play con trol:
ML2400A OM 4-23
OPERATION SYSTEM MENU
NOTE
Use ful for track ing peak
lev els over a pe riod of
time, or de tect ing
glitches.
NOTE
This is the Dis play Trig -
ger De lay as shown in
Fig ure 4-4.
NOTE
PE RIOD sets the
x-axis time.
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