ECOTEST MKS-05 TERRA Operating Manual page 18

The circuit board (10) is located inside the unit, where all elements of the electric circuit,
with an exception of a loudspeaker, are located (5). The loudspeaker is fixed to the upper cover
(1) and electrically connected with the circuit board (10) by spring contacts. The latter (10) is
screwed to the upper cover (1) of the housing.
The lower and the upper covers are connected with the help of a special coupling of the
constructs and two screws. The screws are also used to fasten the contacts (11) for battery
insertion.
Control and indication keys of the dosimeter contain the corresponding inscriptions. The
information table is drawn on the lower cover (2) of the unit. The polarity signs are indicated
at the bottom of the battery compartment for proper insertion of batteries.
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