
Safety Instructions Ascom d81 DECT Handset
4 English
Regulatory Compliance Statements
Bluetooth Qualified Design ID
Bluetooth QD ID: B016451
Environmental Requirements DECT Handset
• Only use the handset in temperatures between -
10° C to +55° C (14° F to 131° F). IMPORTANT:
The EX classified handsets are only allowed to be
used in temperatures between -10° C to +40° C
(14° F to 104° F) in hazardous area.
• Avoid exposing the handset for direct sunlight or
close to other heat sources.
• Avoid volume levels that may be harmful to your
hearing. Exposure to excessive sound pressure
from a handset's earpiece or headset may cause
permanently hearing loss.
• Do not expose the handset to open flame.
• Keep the handset away from excessive heat and
moisture.
• Avoid sudden temperature changes to prevent
condensation in the handset. It is recommended to
put the handset 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 handset from aggressive liquids and
vapours.
• Keep the handset away from strong
electromagnetic fields.
• Do not place a cold handset 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 Charging Rack for
charging. Charge the battery for at least one hour
the first time you use the battery. Note that the
Battery Pack Charger has to be used if the battery
alone is to be charged. IMPORTANT: When
charging the EX classified handset, it is only
permitted to use a charger marked with DC3-xxxB
(rev. 1A or higher), DC4-xxxB (rev. 3A or higher),
CR3-xxxB (rev. 2A or higher), and CR3-xxxC on