SMT-W5100 User Guide _21Name DescriptionCancel Button Delete characters from display or in menu mode return toprevious menu.Hold Button Used when holding a call.Dial Buttons ~ Used when dialing or entering characters.Auto Key LockButtonUsed when applying the automatic key lock.Etiquette modeButtonUsed when applying the etiquette mode.Transfer Button Used when transferring a call.Send Button Used when calling or receiving a call.Menu Button Used when entering the menu mode.Volume Button Used when controlling the volume of voice or key tone.