Samsung GX-20 Service Manual page 114

. ADJUSTMENT
✁
S et the EV tester LV to 12. Set the distance ring to 0.4m from 80mm for the 35-80 lens, and click on the
"CHECK" button. Set the distance ring to 0.4m from 55mm for the bundle lens.
✂
I f the AF sensor is positioned correctly, the following message will appear. Click on the "OK" button.
If "NG" appears, then adjust the position of the AF sensor again.
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