Sharp UP-820F Instruction Manual page 23

(2) In case that the master has a dynamic EAN file and satellites don't:
Master
PLU/EAN
main file
Dynamic
EAN file
(3) In case that both the master and satellites have dynamic EAN files:
Master
PLU/EAN
main file
Dynamic
EAN file
Updating
Updating the
PLU/EAN main
files of satellites
T-LOG polling
Updating
Updating the PLU/EAN
main files of satellites
At this time, all dynamic
EAN files in the IRC
system are cleared.
T-LOG polling
Satellite
Updating
PLU/EAN
main file
Saving
T-LOG
buffer
Satellite
Updating
PLU/EAN
main file
Dynamic
Saving
EAN file
T-LOG
buffer
Registration by the
learning function
Registration by the
learning function
21