Setting this attribute to ON, will enforce a clear operation on the Alarms Buffer. Upon completion, the value will automatically change to off(2). For MP-2100/2200, this command will not really erase the Alarm Buffer, but is only an ACK of seeing the Buffer. It marks a pointer of the last entry's alrBufIdx, in order to allow view of new alarms entered after this pointer (alrBufIdxUponLastAck).