46
OWNER’S MANUAL
APM /
During the measurement, a status bar will indicate the
status of the measurement.
When the measurement is completed successfully, the
window shown to the side will be displayed.
Press
BACK
to go back to the previous step.
Press
NEXT
to continue with the measurement.
Press
CANCEL
to exit.
8.
Accurately place the
TMD
in the vehicle compartment
(see sect. 3.1).
If the bit Tune and
Dummy Head
are not interfaced
correctly, a message showing the incorrect interfacing will be
displayed
“Dummy Head not found”
.
TMD (Total Music Distortion)
is a tool capable of measuring
linear and non-linear distortion of the system’s frequency response
using a real music track, unlike conventional measurement
methods. The analysis can be performed at different sound
pressure levels, an extremely significant factor to identify the
performance of a system when it is pushed around or beyond its
distortion point, thus assigning different TMD scores for different
SPL categories
9.
Follow the instructions below:
-
Play track 1 (press Play);
-
Adjust the source volume till you reach the value of 90 db.
Press
BACK
to go back to the previous step.
Press
NEXT
to continue with the measurement.
Press
CANCEL
to exit.
The correct connection of the TMD microphone will be notified
with the message
“Microphone found”
.
Press
BACK
to go back to the previous step.
Press
NEXT
to continue with the measurement.
Press
CANCEL
to exit.
8
Содержание APM
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