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Welcome to DECT 4027, 4070, and 4075 Handsets
16
Safety precautions
Observe the following safety precautions before you use your handset.
CAUTION
Modifications to this equipment not approved by Nortel
can make this equipment noncompliant with the applied
requirements.
Nortel recommends that you use only compatible
headsets.
WARNING
Do not open the handset when it is switched on or
connected to the charger; doing so can expose you to
high voltage. Only authorised service personnel must
perform repairs.
Do not dispose of defective or used batteries in
municipal waste. Return old batteries to the battery
supplier, a licensed dealer, or a designated collection
facility. Do not destroy batteries.
Do not remove, install, or charge batteries in hazardous
environments (such as explosive environments),
hospitals or vehicles.
If your interior handset becomes wet, do not use a blow
dryer or oven to dry it. Switch off the handset, remove
the battery, shake out excess liquid from the handset,
and let it dry for 72 hours at room temperature.