User Manual

2 Safety and the environment
8
For products with Bluetooth
®
(optional)
Changes or modifications that have been made without the explicit
consent of the responsible approval authority, may cause the
retraction of the type approval.
Data transfer may be disturbed by equipment that uses the same
ISM-band, e.g. WLAN, microwave ovens, ZigBee.
The use of radio communication links is not permitted, among
others, in aeroplanes and hospitals. For this reason the following
points must be ensured before entering:
> Switch off the device:
> Isolate the device from any external power sources (mains
cable, external rechargeable batteries, ...).
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2.3. Protecting the environment
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> Dispose of faulty rechargeable batteries/spent batteries in
accordance with the valid legal specifications.
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> At the end of its useful life, send the product to the separate
collection for electric and electronic devices (observe local
regulations) or return the product to Testo for disposal.
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