When The Back-Up Master Breaks Down - Master Declaration At The Master - Sharp ER-A770 Instruction Manual

(2) When the back-up master breaks down — Master declaration at the
master
1) A satellite detects a breakdown of the back-up master through the system retry function
when it is sending updated GLU/PBLU data to both the master and back-up master. At
this point, the message "NO REPLY/BACKUP" appears in the pop-up window of the
display.
NO REPLY/BACKUP
2) The master declaration operation must be done at the master. This operation causes the
master to inform all satellites of the breakdown of the back-up master.
3) Each satellite in the IRC system sends updated GLU/PBLU data only to the master.
4) The master processes the received data and sends back the processed data to each
satellite.
Flow of a master declaration at the master
Master
2) Master declaration
(Processing)
The master declaration procedure is the same as "(1) When the master breaks down."
50
1) Detection of a master breakdown
3) Updated data
4) Processed data
(Transmission stops.)
Satellite
Back-up master