Main Switch And Eye-Start - Minolta Dynax 7xi Instruction Manual

MAIN SWITCH/EYESTART
When you move the main switch to ON, the body data panel and the grip
sensor activate. When you then touch the grip sensor, the eyepiece sensor
is activated. This sensor then immediately activates autofocus,
autoexposure, and, if you are using an xi-Series Autozoom lens, auto
stand-by zoom when it detects an object near the viewfinder. By the time you
frame your subject, therefore, the camera has performed many of its set-up
operations and is ready to make an exposure. The eyepiece sensor also turns
autofocus and autoexposure off 4 sec. after it no longer detects an object
near the viewfinder.
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