ECOTEST TERRA-P MKS-05 Operating Manual page 21

The body (Figure A.1, A.2) consists of the upper (1) and the lower (2) covers. The
indication panel (3) is located in the middle of the upper cover (1); two keys (4) of
control are located to the left and to the right above the panel, and a loudspeaker (5) in
the upper part of the cover (1).
The battery compartment and the window (7) for registration of surface
contamination by beta radionuclides are located in the lower cover (2). The battery
compartment (6) and the window (7) have covers (8) and (9) correspondingly, fixed
due to the elastic capacities of the material.
The printed-circuit board (10) is located inside the unit, where all elements of the
electric circuit, except for the loudspeaker, are located (5). The loudspeaker is fixed to
the upper cover (1) and electrically connected with the circuit board (10) with the help
of the spring contacts. The latter (10) is screwed to the upper cover (1) of the body.
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