Resetting answering machine message, lost instruction manual

Goto this wepage put in your model number and you can download your replacement manual.
http://www.doro.com/global/businessunit/dorohome/support/manuals

Reset base unit defaults
Resetting will return most functions to the original factory default setting.
Registrations are not affected by resetting.
1. Press Menu.
2. Scroll using v/V to Base Set. Press OK.
3. Scroll using v/V to Default Set. Press OK.
4. Enter your current base unit PIN code (0000 at default).
5. Press OK to confirm.