EN‐34
MA510a
_EN
Instruction’s
Manual
Signaling
of
Excessive
Impedance
in
the
Circuit
of
Neutral
Electrode
(OC)
For
the
meaning
of
this
warning
signal
please
refer
to
the
previous
description
of
the
neutral
electrode
circuit.
Adjustment
of
the
Acoustic
Signal
Level
To
modify
the
emission
acoustic
signal
it
is
necessary
to
follow
those
indications:
1.
Switch
on
the
unit
through
the
mains
switch
while
the
CUT
pushbutton
is
maintained
pressed
2.
When
the
unit
has
finished
to
check
internal
parameters,
on
the
display
CUT
appears
the
message
SOU
.,
while
on
the
COAG
one,
the
value
of
the
preset
level.
Now,
the
CUT
pushbutton
can
be
released.
3.
Through
the
COAG
knob
it
is
possible
varying
the
emission
acoustic
level.
During
the
variation
the
sound
emitted
by
the
unit
corresponds
to
the
preset
level.
4.
Press
the
CUT
pushbutton
to
confirm
the
level
Level
Sound
emission
until
1m
distance
from
the
frontal
panel
1
55
dBA
2
60
dBA
3
65
dBA
4
70
dBA
5
75
dBA
Automatic
Control
of
the
Internal
Parameters
The
unit
has
an
automatic
control
system
of
some
of
the
internal
parameters.
When
switched
on,
the
control
is
indicated
on
the
display
through
the
message
SEL
FCh
.
If
there
are
not
errors,
the
message
PAS
Sed
appears;
if
there
are
errors,
Err
001
appears.
See
Guide
to
the
Problems’
Solution
for
further
information.