9
SL400
‐
en
‐
GB_V1.0
2/16
Calibration
Automatic
Mode
Calibration
Set
the
meter
to
SLM
mode,
A
weighting,
High
range,
and
Slow.
Attach
a
94.0dB
(1000Hz)
sound
calibrator
to
the
microphone.
Enter
SET
mode
and
go
to
the
parameter
94ADJ
.
Press
the
Run
key
to
start
the
automatic
offset
routine
and
wait
for
the
flashing
dB
number
to
appear.
Press
the
Enter
key
to
save
the
entry
and
to
get
back
to
the
measure
window.
The
meter
should
now
read
94.0dB
(+/
‐
0.1dB).
If
the
measured
value
does
not
equal
94.0
(+/
‐
0.1dB),
run
the
94ADJ
routine
again.
Press
the
Enter
key
to
save
the
entry
and
to
get
back
to
the
measure
window.
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