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Now steadily scan again, along all sides of the window, next to the frame. The
blue colour display and a slow tone series indicates a possible influx of cold air
with a difference of 3 °C / 5°F.

Battery state display

The battery symbol
too low.
I nsert a new battery as described in chapter „Inserting/replacing the battery"
when this symbol appears.
A drained battery may leak. In addition, the measurement may not be accurate
as specified in „Technical data" if the battery voltage is low.

Troubleshooting

Note: The product contains sensitive electronic components. For this reason it is
possible that it can be disrupted by radio transmitting equipment in the immediate
vicinity. If you notice that the product is malfunctioning, remove any sources of in-
terference from the area around the product.
Note: Electrostatic discharge can cause malfunctions. In the event of such
malfunctions, briefly remove and replace the battery.
The following table will help you locate and correct minor malfunctions:
Fault
The display
is
5
blank.
appears in the display
Possible cause
The battery
is inserted
14
incorrectly.
The battery is drained.
as soon as the battery voltage is
5
Solution
Insert the battery as shown on
the battery cover
Insert a new battery.
(Fig. C).
4
GB/IE/NI
15

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