4 backup the system setting info into an sd card, 5 updating system software, 6 key lock operation – Approach Tech DVR-3024 User Manual

Page 31

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4 backup the system setting info into an sd card, 5 updating system software, 6 key lock operation | Approach Tech DVR-3024 User Manual | Page 31 / 71 4 backup the system setting info into an sd card, 5 updating system software, 6 key lock operation | Approach Tech DVR-3024 User Manual | Page 31 / 71
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