Key Cover - TESTO 6681 Profibus Instruction Manual

1.4.2 Key cover

To prevent unauthorized operation of the keys, the standard key frame can
be replaced with a key cover.
If the key cover has been assembled, the service flap must be opened for
operation (see Section Opening the instrument, chapter 1.3.3, page 25).
 Attaching the key cover

The service flap is open, see Opening the instrument, chapter 1.3.3,
page 25.
1 Undo screws (3) and remove key frame (2).
2 Insert key cover (1) into service flap and tighten screws (3).
3 Close and screw down the service flap.
testo 6681 Profibus
- 1.4 Operation 67