HomeMatic IP HmIP-BWTH24 Installations- Und Bedienungsanleitung Seite 54

Function and device overview
Device overview (see figure 1):
(A)
Clip-on frame
(B) Electronic unit (thermostat)
(C)
Display
(D)
System button (teach-in button and LED)
(E) Control wheel
(F)
Voltage supply unit
Display overview (see figure 2):
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Set/actual temperature
Humidity
Warning about condensation
Open window symbol
Power supply
Radio transmission
Boost function
Manual operation
Automatic mode
Holiday mode