See also:

Voice command system
Talk switch To turn on the voice command system, press the talk switch briefly. To turn off the voice command system, press the talk switch for more than 1.5 seconds. The commands available ...

Specifications
These specifications are subject to change without notice. ...

Page scroll
If the registered name or phone number has more than 12 characters, press the “TEXT” button for more than 1.5 seconds to scroll the name or phone number. ...