Aastra Venture 3-Line with Answering User Manual page 31

Options chart
Number and Settings
Option (*=default)
* You may be required to subscribe to Caller ID or Caller ID on Call Waiting from your local telephone company.
30 Venture 3-Line Telephone with Answering Device User Guide
Option function
Enables you to erase all items in either the Public Directory or one of the three
Private Directories. This can be done even when Option 22, Lock lists is on.
Resets all the options on your phone to the default factory settings.
Enables you to manually set the time and date. Your first incoming call resets the
time and date.*
Changes the language used on the display to English, French or Spanish.
Displays the software versions used by your phone. This information may be
necessary when calling your telephone company for assistance.
When each key is pressed, this test displays a number to indicate that the key is
functioning. Fifteen seconds after you stop pressing keys, this test
automatically ends.
The display is filled to show that each information display area is functioning.
Illuminates the lights on the phone to show that they are working.
Turns the answering device on. (Will still answer after 15 rings so that Remote
access is still possible even when this option is off.)
Turns the answering device off .