33
Fig.19. Request for access to the file system
5.4. Reading parameters
The application contains four tabs:
ABOUT UNIT
,
MEASURE-
MENTS
,
ARCHIVES
and
SAVED DATA
that can be swap sequentially
on your smartphone screen by swiping left or right.
When you start reading the parameters by pressing the
READ
but-
ton, the progress bar in the form of a rotating circle will be displayed at
the top of the screen (Fig.20).
Fig.20. Display of data exchange
A green circle indicates that the data is currently being read or a con-
nection is being maintained.
Yellow circle (Fig.21)
– the connection has been established, but now
the smartphone is out of the NFC range.