Ricoh Lens A16 - Manual (Page 38)

Setup Menu
[ISO Step Setting]
The [ISO Setting] in the shooting settings menu can be set in intervals of
[1EV] or [1/3EV].
[ISO Auto-High Settings]
You can set the upper limits for the ISO setting and the shutter speed for
switching the ISO setting when [ISO Setting] is set to [Auto-Hi].
[Sleep Mode] [Auto Power Off]
You can set the time allowed to elapse before the camera enters [Sleep
Mode] or activates [Auto Power Off] from a range of 1 minute to 30
minutes.