N-Com B4, User Instructions

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B4
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3. INSTALLATION
You can download the installation video from www.n-com.it N-Com / Download section.
Fig. 1

Open the small door on the e-box and
place the rechargeable battery inside
the system, making sure it is inserted
in the right direction (Fig.1)

Before you install the B4 system on the helmet, make sure it turns on properly. Press
the “on” key for about 2 seconds, until the LED lights up and you hear a beep in the
headset. Proceed with the installation.

Remove the cheek padding (see helmet instructions).
Fig. 2

Remove the helmet edge gasket using
the special tool (Fig. 2).

Remove the “N-Com” plugs found at
the back of the shell gasket and on
the left side of the helmet (Fig. 2).
Fig. 3

Completely remove the gasket as
shown in Fig. 3; by doing so you also
remove the padding.