Sokkia CX-52 Operator's Manual page 282

37. REGULATIONS
Region/ Directives/
Country Regulations
EU Battery
EU
Directive
Chinese
China Environment
al Directive
274
Labels/Declarations
If a chemical symbol is printed beneath the symbol shown above,
this chemical symbol means that the battery or accumulator
contains a heavy metal at a certain concentration. This will be
indicated as follows:
Hg: mercury(0.0005%), Cd: cadmium(0.002%), Pb: lead(0.004%)
These ingredients may cause serious hazardous for human and
the global environment.
This product contains a coin cell.
You cannot replace batteries by yourself. When you need to replace
and/or dispose batteries, contact your local dealer.