Sleep mode: You can set the NXT to turn
itself off after 2, 5, 10, 30 or 60 minutes of
inactivity (time when its not in use). You can also
select the Never setting so that it remains on
indenitely (until you turn it off). Please be aware
that the Never setting will drain your batteries more
quickly.
The Settings submenu lets you adjust the NXT’s settings
including its speaker volume or the Sleep mode setting.
This submenu will also let you delete programs that have
been stored in the NXT’s memory.
Here you can adjust the volume
of the NXT’s speakers.
You are able to delete all downloaded
programs in the 4 subfolders: Software
les, NXT les, Sound les and Datalog
les, from the Settings submenu.