EXFO FTB-8500 Series for FTB-500 - Manual (Page 75)

Introducing the Smart User Interface
Ethernet and Fibre Channel Application 61
Keyboard Usage

Time Keyboard: Allows entering a time value.

Date keyboard: Allows selecting a date by pressing the date on the
calendar. Use the left and right arrow to switch from one month to
another or press the month area for quick month selection. Press the
year area for quick year selection.