Kamstrup M-Bus Master Manual page 8

We recommend
you to keep a list
on the relation
between M-Bus
addresses and
consumers by
the M-Bus Master.
The decimal
point position
is determined
by the energy
meter's coding.
8
Rest position
Three dots in the top left corner show that
the unit is in order.
Initialization
Press both buttons for 3–10 seconds and
the display shows "ini". The M-Bus Master
now remembers all addresses that have
answered.
Reading of data
Find adresses:
Activating the left button all stored
addresses can be read, one by one.
Collect data
Having located the required address,
collect data by activating the right button.
Reponse time, 10–40 sec.