Community Team in The eBay for Business Podcast 10-29-2019. USUAL CAUSE The power door locks utilize individual solenoids in each of the doors that activate the door lock mechanism. The AE-L / AF-L button stands for “AutoExposure-Lock and AutoFocus-Lock” and its primary function is to lock camera exposure and/or focus. This signal will be either a short toot of a horn or a hand signal by the lock operator. SCARY GOOD CHALLENGES Our riders are taking over the slopes as Jokers! Now it’s time to use your best tricks to scare birds away while wearing a Clown Mask in the Night Owl challenge. In Settings, go to System > Lock Screen, then tap on one of the five slots.