TD 92319GB
2008-11-10/ Ver. D
User Manual
Ascom i75 VoWiFi Handset
4
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 attempt to take a battery apart.
• Do not disconnect the battery unless it needs to be replaced.
• Do power the handset off before removing the battery.
2.2
Environmental Requirements
Cordless Handset
• Only use the handset in temperatures between 0
o
C to +40
o
C (32
o
F to 140
o
F).
Battery
• Do not charge a battery when the ambient room temperature is above 40 ºC or below
5 ºC (above 104º F or below 41 ºF).
Battery disposal
Defective batteries must be returned to a collection point for chemical waste disposal.
Chemical Resistance
The alpha and numeric characters printed on the exterior of the handset have been tested
and found resistant to chipping, fading or wearing off when the handset is treated with
common cleaners and disinfectants or perspiration. The following chemicals have shown
no harmful effect:
• 3% Hydrochloric Acid
• M-alcohol (70% Methylated Ethanol)
• 60% Chlorhexidin 0.5mg/ml
Acetone can be damaging to the plastic casing of the handset and should not be used.
2.3
Frequency Range
The handset is a radio transmitter and receiver. When it is on, it receives and sends out
radio frequency (RF) energy. The handset operates on different frequency ranges
depending on market and employs commonly used modulation techniques:
EU
2412- 2472 MHz
USA/
Canada
2412- 2462 MHz
