See also:

Damage to safety belts
In the case of strain caused by accidents or damage: Have the safety belts, including the safety belt tensioners, replaced and have the belt anchors checked. Checking and replacing safety bel ...

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. ...

Adjusting the volume
Turn the volume button while giving an instruction until the desired volume is set. ▷ The volume remains constant even if the volume of other audio sources is changed. ▷ The volume i ...