8.19 Entering customized key number
To prevent the function and parameter settings being changed by unauthorized users, a cus-
tomized key number can be added to the fixed service key number. You can set the custom-
ized key number to be between 0100 and 1900.
Proceed as follows:
1. Turn the rotary switch to
Reading: 0 0 0 0
2. Enter key number 1995 [q].
3. Confirm key number [Û].
4. Enter valid key number [q].
5. Confirm key number [Û].
6. Enter customized key number [q].
7. Confirm customized key number [Û].
This number is the new key number.
8. Turn the rotary switch back to switch position
EB 5573 EN
(parameter and configuration level).
System-wide functions
(information level).
97