up and view ing sig nals in the Pro file mode. Pro file mode al lows the view ing of
a sin gle chan nel (1 or 2 as set up in the Chan nel menu) plot ted against time.
To view the time pro file of a sig nal, en ter the PROFILE mode via
SYSTEM|SETUP|MODE (tog gles through READOUT, PROFILE and POWER
vs. TIME ). Pa ram e ters needed to set up a PROFILE dis play are:
1. TRIG GER|SETUP pro vides ac cess to a spe cial TRIG GER con figu ra -
tion op tions. The de fault mode is CON TINU OUS which pro vides for
a non- synchronized, os cil lo scope type dis play. This type of dis play is
use ful for gen eral moni tor ing of a sig nal and show ing its varia tion
over time. The set tings for the DE LAY and gate WIDTH pro vide the
points at which the meas ure ment is trig gered and read out of the
cur sor. The other op tions are simi lar to other trig ger ing modes.
2. SYS TEM|PRO FILE sets up the chan nel (1 or 2 ) to be dis played and
the time- axis, as well as the way that the data is dis played (for ex -
am ple, moni tor ing the mini mum or maxi mum data over time). Note
that in all cases, the PRO FILE|CHAN NEL se lec tion (1 or 2 ) re lates
to a meas ure ment chan nel set up in the CHAN NEL menu, not di -
rectly to the A or B sen sors.
NOTE
If the DATA HOLD mode is set to dis play min or max
data, as op posed to the de fault (NOR MAL), the dis play
will con tinue to track the min/max un til the DATA
HOLD mode is re turned to NOR MAL.
3. SYS TEM|CON TROL pro vides con trol over the read out and CUR -
SORs as well as the scal ing of the dis play. From the CUR SOR menu
(us ing the << and >> ar rows) the po si tions of the read out cur sors
can be ad justed. The cur sors di rectly re late to the DE LAY and gate
WIDTH pa rame ters in the TRIG GER|SETUP menu, but al low for
vis ual move ment of the pa rame ters on the dis play it self. The TRIG -
GER|SETUP menu re quires di rect en try of the ac tual pa rame ters
when the tim ing cri te ria is known.
TYPI CAL SETUP A typi cal situa tion with no trig ger ing (CONTINUOUS):
1. Se lect
SYSTEM|SETUP|PRESET to re set the in stru ment to the stan dard de -
fault con di tions (see Ap pen dix A, Sec tion A-3 for a list ing of the sys tem
de faults).
2. Con nect sen sor A to the sig nal source.
3. Se lect SYSTEM|SETUP and press MODE to se lect PROFILE.
4. Press CLR or any other menu key to re turn to the dis play screen. The dis -
play now shows a power pro file of sen sor A on chan nel 1.
ML2400A OM 5-11
PROCEDURES PROFILE OPERATION MODE
NOTE
Dy namic range is lim -
ited in Pro file mode to
DC ranges only. For
max i mum dy namic
range, mea sured sig -
nals need to be re pet i -
tive (not sin gle-shot)
when pro fil ing over less
than 30ms width.
Above this, sin gle-shot
profiles can be mea -
sured over the full dy -
namic range.
NOTE
Pro file op er a tion mode
is not avail able in
CDMA mode.
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