Computer
See also:
DTMF suffix dialing
DTMF suffix dialing can be used for gaining access
to network services or for controlling devices,
e.g., to make a remote inquiry of an answering
machine. The DTMF code is needed for this
purpose. ...
Automatic headlamp control
Switch position : the low beams
are switched
on and off automatically, e.g., in tunnels, in twilight
or if there is precipitation. The indicator
lamp in the instrument cluster lights up.
A blu ...