HP R707 - Manual (Page 77)

Chapter 2: Taking Pictures and Recording Video Clips 77
The following table helps explain the settings in more detail:
If the new setting is anything other than the default Off setting,
the icon for the setting (in the previous table) will appear in the
Live View screen.
The new setting remains in effect until it is changed again, even
when you turn the camera off.
Setting Description
Off The camera will not imprint a date or date and time
on the image.
Date Only The camera will permanently imprint the date in the
lower left-hand corner of the image.
Date & Time The camera will permanently imprint the date and
time in the lower left-hand corner of the image.