3  Initial start-up Power supply
3-4 Edition 4 (05/2014) DMS Go+
Operation using batteries
You should only use the corresponding lithium-ion bat-
tery for the battery operation.
Inserting batteries
The battery compartment is located on the rear of the in-
strument. The cover is fastened with two attachment 
screws. 
– Turn the two attachment screws (1) of the battery 
compartment counterclockwise by one quarter of a 
turn each in order to loosen them. 
– Lift the cover off upward. In the open battery compart-
ment, you will see several connector pins (2) on one 
side.