Honeywell FALCON MJ Pulse/M-Bus Operating Instructions Manual page 14

The following control buttons are also always visible:
Read
updates M-Bus data on the selected tab card. Even fields which
cannot be modified will be updated.
Exit Close the extended configuration/alarm tab
All stored alarms will be cleared to "0"
Reset alarms
Falcon MJ M-Bus Operating instructions
05/18 Generation 1.2 Page 14 of 38