SL-C860 (SL-C7x0) LEDs

[jurwit]

Sorry for stupid question, but I could not find it in the manual. There are two LEDs at the left top corner of the SL-C860. The top one is responsible for charging (It\'s of when battery is charged. Am I correct?).
I have no idea what is the SECOND LED for with sth which remainds an envelope (mail arrived?).

jurwit
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SL-C860

[obs1]

you got mail

[Foxdie]

you got mail

That was poor

But yeah it indicates you have mail, I don\'t use it however, I\'d like to find a way to use it seperately.