User Manual
2.
Separate the battery cover from the Sens
or unit.
If
you have a hard plastic board( about 0.8 to 1.0mm thickness) on hand, you can use it to
separate the battery cover direct
ly:
Pu
sh or move the plastic board along the gap between battery cover and Sensor unit, refer to
the direction of arrows, see the figure belo
w:
Yo
u can also open the battery cover through your fingers if you are confident about this way.
Find the position of the screw side, see the operating steps below:
a.
Pull open a small gap between the battery cover and Sensor uni
t.
b.
Push or move your fingernail along the gap between battery cover and Sensor unit, as
below:
3.
Battery cover is separated from the Senso
r unit









