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0125127
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14
Preparing for Testing
Positioning
the
Speakers
Proper
positioning
of
the
loudspeakers
relative
to
the
patient’s
hearing
aids
is
critical
for
making
accurate
and
repeatable
measurements.
Seat
the
patient
so
their
ear
is
between
19
and
39
inches
from
the
loudspeaker.
The
speaker
is
designed
to
sit
at
desk
height.
When
using
Live
Speech
inputs,
position
the
patient
and
loudspeaker
as
shown
below.
Speaker
Calibration
Open
the
Speaker
Calibration
screen
by
clicking
the
Speaker
icon
from
the
REM/LSM
top
menu
bar.
The
speaker
should
be
positioned
in
such
a
way
that
nothing
blocks
the
path
of
the
emanated
sound
in
front
and
on
the
sides
of
the
speaker.
For
example,
positioning
a
speaker
behind
a
monitor
is
incorrect
and
can
severely
affect
its
response
at
the
measurement
location.
The
speaker
diaphragm
should
be
at
about
the
same
level
as
the
patient's
ear
and
the
reference
microphone.
Place
the
reference
microphone
on
the
patient
about
1
meter
from
the
speakers.
Click
on
Start
to
begin
the
calibration
and
wait
until
it
ends.
Observe
the
response
curve
to
flatten
itself
out.
The
darker
curve
is
showing
the
response
used
by
the
equalization
algorithm,
the
lighter
curve
is
showing
the
current
microphone
input.
Use
of
the
powered
speaker
supplied
with
this
device
is
recommended.
Содержание Avant REM+
Страница 1: ...D 0125127 C 1...
