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Philips PM3350A - Memory Back

Philips PM3350A
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2
•
2
2
INSTALLATION
INSTRUCTfONS
The
mains
(line)
fuseholder
is
located
on
the
rear
panel
In
the
mains
(line)
input
socket-
If
the
mains
(line)
fuse
needs
replacing,
proceed
as
follows:
-
disconnect
the
instrument
from
the
mains
(line).
-
remove
the
cover
of
the
fuseholder
by
means
of
a
screwdriver,
-
fit
a
new
fuse
of
the
correct
rating
and
refit
the
cover
of
the
fuseholder.
WARNING:
Make
sure
that
only
fuses
of
the
required
current
and
voltage
rating,
and
of
the
specified
type,
are
used
for
renewal.
The
use
of
the
repaired
fuses,
and/or
short-
circuiting
of
the
fuseholder,
Is
prohibited.
2.2
MEMORY
BACK-UP
This
instrument
is
provided
with
a
built-in
memory
back-up
circuit,
if
batteries
are
fitted.
NOTE:
The
batteries
are
not
factory
installed
and
must
be
fitted
at
delivery
Upon
power
down,
only
front
settings
are
stored
when
in
the
analog
mode
of
use,
or
the
front
settings
and
traces
are
stored
when
in
the
digital
mode
of
use.
The
oscilloscope
returns
to
these
settings
on
power
on.
This
memory
function
works
when
the
oscilloscope
is
switched
off
from
the
front
panel
or
when
the
mains
(line)
supply
is
interrupted
more
then
20
ms.
The
memory
back-up
batteries
{2*LR6
Alkaline
Penlight)
placement
and
replacement
must
be
carried
out
only
by
a
qualified
technician.
Replacing
the
batteries:
-
The
instrument
must
be
disconnected
from
the
maihs
(line).
-
Remove
the
screw
that
holds
the
top
cover
at
the
rear
of
the
instrument.
-
Gently
push
the
cover
backwards
until
it
can
be
lifted.
-
Remove
the
cover
by
lifting
it
clear
of
the
instrument.
The
memory
battery
back-up
unit
is
now
accessible.
This
unit
is
iocated
on
the
instrument's
rear
panei.
-
Ease
off
the
clip
that
holds
the
memory
back
up
unit
to
the
chassis.
-
Gently
slide
the
battery
holder
out
of
the
chassis.
-
Install
both
batteries
in
their
holders.
The
installation
direction
of
the
batteries
is
shown
on
the
battery
holder,
NOTE:
When
replacing
the
memory
back-up
unit,
take
care
not
to
damage
the
wiring
in
the
vicinity
of
the
battery
holder.
2
2
MEMORY
BACK-UP

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