Activeforever Plextalk PTR2 Digital DAISY Player and Recorder - Manual (Page 190)

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• If you press the Enter key, the voice notes will be erased and the
relevant memory space will be cleared. PLEXTALK will confirm that
the operation has been successful by saying "erased".
NOTE: If you erase all voice notes, PLEXTALK will also say "No notepad"
after erasing the last note.
22.2. Using the calculator.
PLEXTALK provides a basic, non-scientific calculator feature which you can
use to make simple calculations.
22.2.1. Entering and exiting the calculator.
To enter the calculator, do the following:
• Press the Menu key once to access the Main Menu.
• Use the Number 4 or 6 key to go to the "Calculator" option and
select it by pressing the Enter key.
• PLEXTALK will say "Calculator" and you will then be at the
calculator main interface.
To exit from the calculator, simply press the Menu key once.
22.2.2. Modified key assignments in the calculator.
In the calculator feature, some of PLEXTALK keys are assigned new
meanings as follows:
The Information key becomes the Plus key.
The Heading key becomes the Minus key.
The Page key becomes the Multiply key.
The Bookmark key becomes the Divide key.
The Record key becomes the decimal point.
The Enter key becomes the Equals key.
The Cancel key becomes the Clear key.