oventrop R-Tronic RT B Installation And Operating Instructions Manual page 24

The warning symbol signalizes that the calibration respectively "adjustment run" of
the actuator still have to be carried out (see following paragraph 4.7). The red info
LED of the actuator flashes red continuously. It will only turn off after adjustment of
the valve.
NOTE regarding radio communication "R-Tronic"/actuator
after having replaced the batteries
The "teach in" process does not have to be repeated after having replaced the
batteries of the "R-Tronic". The message AKTOR SEARCH ACTIVE which is
displayed temporarily signalizes that the radio communication between the "R-Tronic"
and the actuator has to be restored. This happens automatically and can take a few
minutes.
The following tree structure illustrates the menu path for the
"teach in" process:
MAIN MENU
TIME PROFILE TEMPERATURES
Installation and initial operation
FUNCTIONS
INSTALLATION
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SETTINGS INFORMATION
TEACH IN
(Illustr. 17)