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Ensure that the power adapter meets the specifications
indicated on the device nameplate.
Ensure that the power adapter meets the requirements
of Clause 2.5 in IEC60950-1/EN60950-1 and it is
tested and approved according to national or local
standards.
For pluggable device, the socket-outlet shall be installed
near the device and shall be easily accessible.
Battery and Charger
The battery can be charged and discharged hundreds
of times before it eventually wears out.
Use the AC power supply defined in the specifications
of the charger. An improper power voltage may cause a
fire or a malfunction of the charger.
If the power cable is damaged (for example, the cord is
exposed or broken), or the plug loosens, stop using the
cable at once. Otherwise, it may lead to an electric
shock, a short circuit of the charger, or a fire.
CAUTION - RISK OF EXPLOSION IF BATTERY IS
REPLACED BY AN INCORRECT TYPE. DISPOSE
OF USED BATTERIES ACCORDING TO THE
INSTRUCTIONS.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To
reduce the risk of damage to hearing, lower the headset volume
to a safe and comfortable level.
To prevent possible hearing damage, do not listen at high
volume levels for long periods.
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