Comfort Indicator; Changing Battery; Base Station; Combination Sensor, Outdoor Sensors - ELV Electronik WS 250 Edition Notice D'emploi

Comfort indicator

The comfort indicator reflects the climate in the room (ratio of temperature to humidity). You can
find a table of values for the display areas in section 15 on page 58.
The comfort indicator displays three different smiles:
Graphic progression display (history)
The bar chart shows the last 24 hours' progress of atmospheric pressure, outdoor and indoor
temperature. The individual columns represent no absolute value, but the difference to the current
measurement (0-hour column). This point of reference is always situated in the center (4 bars), so
that the tendendy can be interpreted at first glance.

10. Changing battery

Depending on which batteries or accumulators you use, the replacement interval
can be very different. High-quality alkaline batteries keep the longest, accumulators
for cheap zinc-carbon batteries require more frequent changing.
a) Base station
If the battery flat symbol appears in the display (
new ones.
• Always replace the whole set of batteries.
• Do not mix full with „half-full" batteries".
• Always use four batteries of the same type and manufacturer.
• Do not mix batteries with accumulators.
• As already mentioned, accumulator operation is possible, the durability is, however, appreciably
lower than with batteries.
• For changing the batteries, proceed as described in section 7. c).
Please observe the following:
After replacing the batteries, all data, values stored in the base station (e.g. time,
date etc.) are deleted and have to be entered again.
b) Combination sensor, outdoor sensor
When the display of the sensor concerned fails for more than 24 hours, the batteries are to be
replaced with new ones as described in section 7. a) and b).
Check as whether there is possibly some disturbance in the radio transmission which
is the cause for the failure of the data transmission. In this case also, there will be no
indication in the display of the base station.
The cause could be, for example, a metal object in the radio path (e.g., a parked
vehicle).
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), the batteries have to be replaced by
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