See also:

Reading aloud
Text messages, emails, appointments, tasks, and notes can be read aloud. 1.  Select the desired message, appointment, task, or note. 2.  Select the symbol. While the message is being rea ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Deleting all stored programs
Press the two outer memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually ...