Ricoh GR DIGITAL M User Manual page 134

ISO Step Setting
Step value for ISO sensitivity can be selected from 1EV
and 1/3EV. The available ISO settings differ depending on
the selected step value.
Option
1EV
1/3EV
ISO Auto-High Settings
Choose the maximum sensitivity (Maximum ISO) select-
ed by the camera and the shutter speed to shift the value
of ISO sensitivity (Change Shutter Speed) when Auto-Hi
is selected for ISO Setting in the shooting menu (page
82).
Choose the maximum sensitivity from settings of ISO 200
(AUTO 200), 400 (AUTO 400) (default), 800 (AUTO 800),
1600 (AUTO 1600) or 3200 (AUTO 3200).
Choose the shutter speed from Auto, 1/2, 1/4, 1/8, 1/15,
1/30, 1/60, 1/125, or 1/250.
AF Auxiliary Light
If On is selected, the AF auxiliary light will light to assist
the focus operation when the subject is poorly lit.
124
Auto/Auto-Hi/ISO 80/ISO 100/ISO 200/ISO 400/ISO 800/
ISO 1600/ISO 3200
Auto/Auto-Hi/ISO 80/ISO 100/ISO 125/ISO 160/ISO 200/
ISO 250/ISO 320/ISO 400/ISO 500/ISO 640/ISO 800/ISO
1000/ISO 1250/ISO 1600/ISO 2000 /ISO 2500/ISO 3200
Available ISO Sensitivity