testo 6651 Ethernet
- 1.4 Operation
61
Attaching the key cover
The service flap is open (see Section
Opening the
instrument,
chapter
1.3.3, page 22
)
.
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.
1.4.3 Password protection
The user menu can be protected with a four-digit numerical code (see
chapter 1.4.6.4, page 67)
so that access to the user menu is denied to
unauthorized persons not familiar with this numerical code.
If the password protection is not to be used, the numerical code "0000" must
be entered. This is also the status upon delivery.
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