Home Security Systems
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The !!! CHECK !!! message should also give an indication as to whether it is from the KEYPAD or a circuit/sensor in which case a 2 digit number should be displayed with it - 05 for example, or if the system shares ALL its tampers onto ONE wiring configuration then it is more likely to refer to it as a SYSTEM message.
Please let me know if any of these 3 BOLD WRITTEN words are also displayed alongside the !!! CHECK !!! message...