product turns off auto-
matically to save the
batteries.
To switch measuring
reference point: Press
the reference/unit
button
measurement base
from the top side of
the product to its bot-
tom side or vice versa.
Selecting the unit
of length
1. Press and hold the REF/
UNIT button
more than 3 seconds.
2. The unit will change on
the display
to change
5
5
.
3
GB/IE/NI
for
31