The display will show 'Dual' to indicate that Dual Voice mode has been activated.
Pressing the Dual button again will de-activate Dual Voice mode and return the keyboard to
its previous state.
The information in this user manual is subject to change at any time without notice.
Version:
1.0
Date of creation and author's initials:
25-02-2019RV
Revision date and author's initials: -