GEONAUTE ON channel 500 Mode D'emploi page 14

6 USING THE LIGHT
The light will work even if the device is switched off.
7 ACCESSORIES
7.1 Using the earpiece kit
7.2 Installing the elastic strap
12
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Press and hold to turn on
1
2
1
Release to turn off
Press and hold
When the earphone kit is installed, the microphone
and loudspeaker are deactivated.
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