JUMO 902931 Wtrans Receiver with Wireless Data Transmission Operating Manual - Manual (Page 46)

7 Operating the receiver
46
7.4 Changing to different levels
Figure 23: Changing to different levels
Hold the key for > 2 s to change to the startup level (In). The receiving channels of the unit
are linked with the transmitter ID here.
Hold the
key for > 2 s to change to the parameter level (PA). All functions of the receiver
and the corresponding parameters are defined here.
Key timeout
If no key is pressed in these two levels for a period of 40 s, the receiver automatically returns
to the normal display (NA).
Code request
The receiver features one code request for each changeover to the startup level or the param-
eter level. This code request, however, is not active when delivered. In the parameter level
(PA), a code (minimum 1 digit, maximum 4 digits) can be assigned separately for each level (In
and PA).

Chapter 7.5 "Code request", page 47