Welcome to DECT 4027, 4070, and 4075 Handsets
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.
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