User's Manual

Ref
Component
Description
See Also
WLAN
Lights green when WLAN is on.
P. 2-27
Bluetooth
Lights green when Bluetooth is on.
P. 2-29
3G
Lights green when 3G is on.
P. 2-34
Closing Connector Covers
It is important to close the connector covers completely to ensure the
waterproof integrity. When closing the covers, push the four corners and
make sure that the cover fits in completely.