SpeedLink SL-6420, User Manual, Page: 8 / 22

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4. Make sure USB input devices are listed
and no yellow exclamation marks appear
before them.
If the USB input devices are not displayed or you
can see yellow exclamation marks, the USB input
devices are not working correctly. If that is the
case, contact your computer manufacturer.
Safety advice
• Do not attempt to maintain or repair the
device yourself. Get a qualified specialist to
carry out any maintenance.
• Do not make any modifications to the device.
Doing so will render the guarantee void.
• Do not use the device in the vicinity of water
(e.g. wash basins, baths or swimming pools)
and keep it away from moisture, dripping or
splashing liquids and rain.
Guarantee
We guarantee this product for two years from
the date of purchase in respect of workmanship
and all built-in components.