Hello, new here. I've got NVR RLN8-410-E and recently got 2 new 520A cameras. They have card slots and I want to be able to have a backup in the case the NVR is actually taken. I'd have the SD cards to fall back on. The card doesn't even show up anywhere that I can see and would love to be able to set this up on both cameras. Firmware is v18.104.22.1684_20120701 and cards are formatted FAT32.