Vista 20p master code resetI unplug the 12v 4a battery

Vista 20p master code resetI unplug the 12v 4a battery

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日期:2025-05-31
How to power off the transformer? I would like to setup our security system while I don't have master code. What is the detail steps I need to to take to have it work? I am not an expert, so detailed steps maybe even pictures is apprciated....看更多