Maintaining The Product - testo 511 Manual De Instrucciones

Maintaining the product

16
Resetting M M ax/Min v v alues:
1 Press
2 Press
3 Repeat steps 1 and 2 for all values that are to be reset.
Switching t t he i i nstrument o o ff:
Press
Maintaining the product
Changing b b atteries:
1 To open the battery compartment, push the battery cover
down.
2 Remove used batteries and insert new batteries
(2x 1.5 V type AAA). Observe the polarity!
3 To close the battery compartment, push the battery cover
back on.
Cleaning t t he h h ousing:
Clean the housing with a moist cloth (soap suds) if it is dirty.
Do not use aggressive cleaning agents or solvents!
several times until the desired view appears.
----
and hold until
and hold until the display goes out.
appears.