Olympus 170 - Manual (Page 39)

SPOT MODE
1. Press the selftimer/remote
control and flash mode
buttons simultaneously to
enter the Spot mode. The
LCD panel displays
Press those buttons
simultaneously again to cancel
the Spot mode.
2. Position the autofocus mark
on your subject, and
press the shutter release
button halfway
The green lamp lights.
The exposure will be locked in
the center of the autofocus
mark.
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