JUMO 902931 Wtrans Receiver with Wireless Data Transmission Operating Manual - Manual (Page 47)

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7 Operating the receiver
7.5 Code request
Figure 24: Code request for the startup or parameter level
The code for changing from the normal display (NA) to the startup or parameter level can be
edited either directly or digit by digit.
Direct editing
Use this process if short codes are generally sufficient (see path II in Figure 24).
Procedure:
Step Action
1 To change from the normal display (NA) to the startup level (In), hold the key for > 2 s
or
to change to the parameter level (PA), hold the
key for > 2 s.
When a code is assigned for the selected level, "CodE" appears on the display.
The device waits for a code to be entered (min. 1 digit, max. 4 digits).
2 Edit the code using the and keys.
3 Hold the key for > 2 s to confirm the code entry.
If the code is correct, "CodE OK" appears for 0.25 s.
The receiver changes to the desired level.
If the code is incorrect, "CodE Error" appears for 0.25 s.
The receiver returns to the normal display.