For ND series locks with push button or push to turn button locking and outside indicators (ND40/ND44/ND50/ND52/ND53/ND55/ND73), the push/push to turn button should be set for the 1-3/8 - 1-¾" setting (center position)
For ND series locks with push button or push to turn button locking and inside indicators (ND50/ND53/ND91/ND92), the push/push to turn button should be set for the 2 - 2-1/8" setting (furthest out position)
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