Viessmann Vitotrol 300-E - Further Settings; Language and Display Brightness; Proximity Sensor Management

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The required language is set during commissioning. You can change the language at any time.
Press the following buttons:
1.
Operating button
C
: See Fig. 8, page 20.
2. to select "Language".
3. to select "CHANGE".
4. for the required language
5. to confirm
Setting the display brightness
Low light levels may make the displays on the
Vitotrol 300-E hard to read. This can be remedied by
changing the brightness level of backlighting.
Factory setting: 100 %
Adjusting the brightness manually
Press the following buttons:
1.
Operating button
C
: See Fig. 8, page 20.
2. to select "Display brightness".
3. to select "CHANGE".
4. for the required brightness
5. to confirm
Adjusting the brightness automatically
The brightness of the display backlighting is automati-
cally adjusted to the light conditions in the room.
Press the following buttons:
1.
Operating button
C
: See Fig. 8, page 20.
2. to select "Display brightness".
3. to select "CHANGE".
4. to select "AUTO".
5. to confirm
Proximity sensor sensitivity
The proximity sensor activates the display backlighting
when you approach the Vitotrol 300-E. The sensitivity
of the sensor can be adjusted. If you increase the sen-
sitivity, the display backlighting is activated at an ear-
lier stage of your approach.
Factory setting: "Medium"
Adjusting the sensitivity of the proximity sensor
Press the following buttons:
1.
Operating button
C
: See Fig. 8, page 20.
2. to select "Proximity sensor sensitivity".
3. to select "CHANGE".
4. for the required sensitivity
5. to confirm
Deactivating the proximity sensor
Press the following buttons:
1.
Operating button
C
: See Fig. 8, page 20.
2. to select "Proximity sensor sensitivity".
3. to select "CHANGE".
Further settings
Setting or changing the "Language"
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Functions