43
OWNER’S MANUAL
APM /
1.
Select
Free
in the PC Software main page.
4.
To go ahead with the measurement, select the TMD
microphone Range among the below categories:
90dB, 96 dB, 102dB.
-
Insert the CD supplied with the product: “Setup CD” if the
source used is a CD AUDIO player. If the source used does
not feature a CD player, download the MP3 tracks CD
provided o fron the bit Drive portal, copying them on a USB
mass storage.
-
Play track 1(press Play);
-
Adjust the source volume till you reach the value of 80 db.
2.
Accurately place the Dummy Head in the vehicle
compartment
(see sect 3.1)
.
3.
Select
SPL.
Press
BACK
to go back to the previous step.
Press
NEXT
to continue with the measurement.
Press
CANCEL
to exit.
Remark:
the choice of the SPL category depends on the category that
the installation taking part to the race belongs to.
7.4
SPL
7