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Philips PM3350A - Page 53

Philips PM3350A
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4
-
20
4
APPLICATIONS
-
Loading
of
register
memory
by
pressing
the
register
LOAD
key.
The
osciiioscope
has
two
types
of
memory:
-
a
dispiay
memory,
which
you
see
in
normal
operation,
-
three
register
memories,
which
are
used
to
store
reference
waveforms.
if
you
want
to
store
a
waveform
in
a
register,
first
select
destination
register
R1
or
R2
or
R3.
This
is
done
by
operating
the
softkeys
MEMORY
and
REGiSTERS
(see
Section
4.3).
When
one
of
these
registers
is
chosen,
you
oniy
have
to
press
the
LOAD
key
to
store
the
signal
into
this
register.
Provided
the
osciiioscope
is
equipped
with
a
battery
back-up,
the
waveforms
in
ail
registers
are
stiii
stored
after
power
down
for
recail
at
the
next
power
up.
Display
of
register
memory
by
pressing
the
DiSPLay
key.
Pressing
the
DiSPLay
key
once
wili
show
the
cohtents
of
the
display
memory
and
the
seiected
register
memory
(R1
or
R2
or
R3)
together
on
the
screen.
Now
the
two
signals
can
be
compared
with
each
other.
Pressing
the
DiSPLay
key
a
second
time
wiil
show
oniy
the
contents
of
the
selected
register
memory
(R1
or
R2
or
R3).
Pressing
the
DiSPLay
key
a
third
time
will
result
in
displaying
the
contents
of
the
display
memory
again.
NOTE:
Only
one
of
the
register
memories
can
be
displayed
at
the
same
time
(with
the
display
memory).
Status
of
register
memory
by
pressing
the
STATUS
key.
Pressing
the
STATUS
key
once
and
keep
it
pressed
enables
the
LCD
to
show
the
full
settings
of
the
selected
register
memory
(R1
or
R2
or
R3).
Pressing
the
STATUS
key
twice
within
one
second
and
keep
it
pressed,
the
LCD
will
show
the
complete
settings
of
the
display
memory
(RO).
4.2
USE
AS
A
DIGITAL
STORAGE
OSCILLOSCOPE

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