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Service 37
11 Service
Care Instructions for the
Battery
The capacity of the battery diminishes with time. You
can prolong the life of the battery if you observe the fol-
lowing points:
• Without a power supply, the device operates
from
the built-in battery. When the battery does
not have sufficient capacity, the device turns off.
Connect the device to the power supply.
• When the battery does not have sufficient capac-
ity, the battery symbol in the display and turns
red.
•
When the device is running for a lo
ng period of
tim
e in fault condition (like ambient temperature
over 35 °C or ventilation openings blocked), the
surface beco
mes hot and a warning symbol
appears on the projection (see also Symbols in
the Statusbar, page 11). The device behaves as
follows:
1 The fan turns to maximum level.
2 A
t maximum level of brightness the overheat
symbol appears in the status bar and the device
turns automatically to minimum level of bright-
ness.
3 At minimal level of brightness the overheat
symbol shows for three seconds in the middle
of the screen. Then the device turns off auto-
matically.
After the device has cooled down, you can con-
tinue playback.
• Use the device at least once a week.
• Charge the battery regularly. Don’t store the
device with a co
m
pletely discharged battery.
• If the device is not used for several weeks, dis-
charge the battery a little by using the device
before storing it.
•
If the device only works using the USB connec-
tion or with the power supply, the battery is
defecti
ve.
• Keep the device and the battery away from
sources of
heat.
Do Not Replace the Battery Yourself
Do not try to replace the battery yourself.
Incorrect handling of the battery or using the
wrong type of battery can cause damage to
the device or cause injury.
Battery deep discharge
When the battery is in deep discharge or the device is
not used for a longer period, proceed as followed:
1 Connect the device to the power supply (see also
Connect Power Supply / Charge Battery, page 12).
The device behaves as follows:
Device off Device on
Connect
to a com-
puter
The indicator light
on t
he side of the
device turns red.
Slow charging
Connect to a com-
puter (see also
Connect to a Com-
puter (USB),
page 20)
No charging
Connect
to the
power
ad
apter
The indicator light
on the side of the
device turns red.
Fast charging
Device remains
turned on.
Slow charging
2 The device can be turned on and is ready to use after
approximatel
y five minutes of charging time.
Battery Recharge Time With Device Off
Turning on
possible
Completely
charged
Slow charging 5 minutes 10 hours
Fast charging 5 minutes 2 hours
DANGER!
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