Important notes
Cleaning the device
Device,Tr anspor tationRetransportationSystemunit, seeDevice
Turn off all power and equipment switches and disconnect the pow er
plug from the mains outlet.
Do not clean any interior parts yourself, leave this job to a service technician.
Do not use any cleaning agents that contain abrasives or may corrod e
plastic (alcohol, thinner or acetone).
Never clean the device with water! Water enterin g into th e device could
present a serious risk to users (e.g. electric shock).
Ensure that no liquid enters the system.
The surface can be clea
ned with a dry cloth. If particularly dirty, use a cloth that has been
moistened in mild dome
stic detergent and then carefully wrung out.
Use disinfectant wi
pes to clean the keyboard and the mouse.
Energy-saving, disposal and recycling
DisposalSavingenergyRecycling
You c an findinformationonthesesubjectsinthe"Environment and Energy Information" manual
or on our website ("
http://www.fujitsu.com/fts/about/fts/ environment-care/").
Important notes on ESPRIMO Q 957
In an unlikely extreme situation (CPU completely utilised and many external USB devices with
high current consumption connected to the ESPRIMO Q95x simultaneously), the internal CP U
frequency can be reduced to prevent a current overload. The mouse, keyboard, headphones
and similar devices are low current consumers and are not affected.
As soon as the overload is ended , the CPU frequency returns to the normal value.
In the unlikely case of an extreme overload, the USB 3.1 port, t ype C, is deactivated and
a reset is carried out to limit the output level to 4.5 W (900 mA).
If an extreme system load occurs again, the USB 3.1 port, type C, will be permanently
deactivated. To prevent restricted performance or the deactivation of devices, the device
causing the overload must b e stopped or the numb er of USB devices with high current
consumption and connected to the ESPR IMO must be reduced. .
The dea ctivated or throttled USB 3.1 port, type C, then automatically returns to full power
when the device is reconnected or the system is restarted.
16 Fujitsu
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