Operation
50
5.5.4 Indication of the locking state
The current locking state of the instrument is displayed in the parameter "device properties/
password-reset/status". The following states may occur:
• unlocked
All parameters (except of service parameters) can be changed.
• code locked
The instrument has been locked via the operating menu. It can be unlocked by entering the
unlocking code into the "code" parameter.
• key locked
The key has been locked by a key combination. It can only be unlocked by pressing all three keys
simultaneously.
• switch locked
The instrument has been locked by the switch in the terminal compartment. It can only be
unlocked by this switch.
5.6 Reset to the default configuration
"
Caution!
A reset may lead to impairment of the measurement. As a rule, a basic calibration is required after
a reset.
Application of the Reset
It is advisable to reset the customer parameters if you want to use a device with an unknown history.
Effects of the Reset
• All parameters are reset to their default values.
• The linearisation type is switched to "none". If a linearisation table is present, it is not deleted. If
required, it can be reactivated at a later point of time.
• An interference echo curve is set "inactive". However, the curve is not deleted and can be
reactivated at a later point of time.
!
Note!
In the menu diagrams (see chapter 14, "Operating Menu") the default values of the parameters are
printed in bold.
Performing a Reset
In order to perform a reset, enter "333" into the parameter "device properties/password-reset/
reset".
!
Note!
•To delete a linearisation table, use the parameter "basic setup/linearisation", see chapter. 6.4.7
•To delete a interference echo mapping selectively (without affecting other parameters), use
the parameter "extended calibration/distance mapping/status", see chapter 6.4.11
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