Altigen AltiWare ACC 5.1 Administration Manual page 280

Using the Calendar Button
The Create Meeting and Modify Meeting dialog boxes use Calendar buttons for date
selection. To select a date, click the Calendar button. When the calendar is open, use
the Up/Down arrows to select the year, or you can type in a year and then press Enter.
Click the Calendar button again to close the calendar.
256
AltiWare ACC 5.1 Administration Manual