Beurer PM 90 Operating Instructions Manual page 50

Set Alti/Temp
option / set
By pressing the
start / stop
repeatedly, you can switch between
the units
altitude measurement.
Alti Cal
option / set
set the reference altitude. This in-
formation is displayed in the middle
line.
With the
increase the value of the altitude
above sea level, with the
button you can decrease it.
If the altitude setting is outside the
option / set
tolerance range, the error message
bad Range
With the
set the temperature units of measure
(see next step).
is displayed.
start / stop
(metres) or
m
is displayed. Here you can
menu
button you can
appears.
start / stop
button you can
49
button
(feet) for
Ft
/
G
B