Environmental Requirements - Avaya 3740 User Manual

Environmental requirements

Cordless telephone
Use the DECT cordless telephones within the following temperature ranges:
●
For 3740 telephone, from -10 °C to +55 °C (14 °F to 131 °F)
●
For 3745/ 3749 telephone, from -10 °C to +40 °C (14 °F to 104 °F)
●
Avoid exposing the telephone to direct sunlight or close to other heat sources.
●
Do not expose the telephone to open flame.
●
Keep the telephone away from excessive heat and moisture.
●
Avoid sudden temperature changes to prevent condensation in the telephone. It is
●
recommended to put the telephone into an air tight plastic bag until the temperature is
adjusted, for example, when entering or leaving a cold/heated building on a warm/cold
day.
Protect your telephone from aggressive liquids and vapors.
●
If the telephone has been exposed for water or condense, remove the battery immediately
●
and let it dry completely before re-inserting the battery.
Keep the telephone away from strong electromagnetic fields.
●
Do not place a cold telephone in a charger.
●
Battery
Do not immerse the battery into water. This could short-circuit and damage the battery.
●
Do not expose a battery to an open flame. This could cause the battery to explode.
●
Do not allow the metal contacts on the battery to touch another metal object. This could
●
short-circuit and damage the battery.
Do not leave a battery where it could be subjected to extremely high temperatures, such
●
as inside a car on a hot day.
Use the Desktop Charger or the wall mounted Charging Rack for charging. Charge the
●
battery for at least one hour the first time you use the battery. Note that the wall mounted
charger with a battery pack adapter has to be used if the battery alone is to be charged.
Do not charge a battery when the ambient room temperature is above 40 ºC or below
●
+5 ºC (above 104 ºF or below 41 ºF).
Do not attempt to take a battery apart.
●
Do not disconnect the battery unless it needs to be replaced.
●
Do power the telephone off before removing the battery.
●
20
Avaya 374x DECT Telephones - User Guide 02/2016