What are the 4-Way Manual Lock options and how do I use them?
The 4-Way Manual Lock allows you to control your cat's access in four positions: fully locked, In or Out, Out only, and In only. Until your pet is thoroughly familiar with using the cat flap, it is recommended to only use the In or Out position. (Page 7)
From the official Petsafe Ppa44 16427 Microchip Cat Flap manual, page 7
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