Power supply
Operation using batteries
Use either one or preferably two lithium-ion batteries
for the battery operation mode (option). These have a
high capacity each. Consequently two lithium-ion bat-
teries ensure a long operating time of the instrument.
Inserting batteries
The battery compartment is located at the bottom of
the instrument and the cover is fi xed with one knurled
screw.
– Loosen the knurled screw in the cover on the bot-
tom side of the instrument.
– Fold the cover down. You will see two battery com-
partments.
– Insert a battery into the left-hand or into the right-
hand battery compartment. Observe the accurate
position of the battery: the contacts have to point
back- and downwards.
– Close the cover and fasten the knurled screw.
SpotChecker
Checking the battery charge level
The lithium-ion battery is equipped with a battery
charge indicator. The battery charge indicator is lo-
cated at the front of the battery. Five LCD segments
indicate the battery charge level. The number of fi lled
LCD segments show the charging level as follows:
❚
5 segments – battery charge level 100 ... 81 %
❚
4 segments – battery charge level 80 ... 61 %
❚
3 segments – battery charge level 60 ... 41 %
❚
2 segments – battery charge level 40 ... 21 %
❚
1 segments – battery charge level 20 ... 1 %
Issue 02, 03/2009
Initial start-up and basics
31