Battery Indicator; Bar Graph Indicator; Maintenance And Care - elv EH 100 Bedienungsanleitung

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5.3.3. Battery indicator

If the "Bat" indicator appears in the bottom line on
the display, the battery is to be replaced as soon
as possible as per Section 4 of these operating in-
structions.
It is still possible to perform measurements, how-
ever inaccurate measurements must be expected
as the battery voltage drops.

5.3.4. Bar graph indicator

The bar graph indicator in the top line on the dis-
play makes it easy to detect trends so that it is
even easier to detect sources of interference. The
greater the deflection, the nearer the transducer is
to the source of interference.

6. Maintenance and care

Clean the device and the sensor only with a soft,
dry cloth.
In the case of heavy soiling, the cloth may be slightly
moistened; the device is then to be wiped with a
dry cloth.
Never clean the device under running water, do not
immerse it in water and never subject it to mois-
ture.
Do not use any cleaner containing solvent, as this
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