TESTO 6381 Instruction Manual page 26

4 Transmitter
2. Loosen and remove housing screws (2).
3. Remove upper part of housing (3) and place on a clean surface.
4. Remove Ethernet module (A) from lower part of housing (4) and
also place on a clean surface.
26
The Ethernet module (A) is already detached from the
upper and lower parts of the housing by removing the
housing screws (2).