Ricoh Lens A16 - Manual (Page 39)

[Level Setting]
[Off], [Level + Tilt], [Level], [Level + Sound], and [Sound] can be selected.
[Level (Tilt) Calibration]
Register the current perspective as the standard.
[Digital Zoom Image] Setting
The size of the recorded image varies depending on the auto resize zoom,
as follows.
Zoom ratio Image size (pixels) Zoom ratio Image size (pixels)
Approx. 1.0 × L Approx. 2.1 × 3M
Approx. 1.4 × M Approx. 3.4 × 1M
Approx. 1.7 × 5M Approx. 6.8 × VGA