
7
3.2 RSI syndrome
RSI stands for "Repetitive Strain Injury".
RSI arises due to small movements con-
tinuously repeated over a long period of
time.
Typical symptoms are discomfort in the fingers or
neck. For further information see:
www.cherry.de/
english/service/servicedownload_rsi.htm
• Set up your workspace ergonomically.
• Position the keyboard and mouse in such a man-
ner that your upper arms and wrists are out-
stretched and to the sides of your body.
• Take several short breaks, with stretching exer-
cises if necessary.
• Change your posture often.
3.3 Troubleshooting
• Use another USB port on the PC/laptop.
• To make sure that the keyboard is not defective,
test it if possible with another PC/laptop.
• Set the option "USB Keyboard Support" or "USB
Legacy Mode" to
enabled
in the BIOS of the PC.
4 Disposal
Dispose of the used device at an official
collection point for electronic waste or at
your local dealer.
5 Technical data
Designation
Value
Supply voltage
5.0 V/DC ±5 % SELV
Current consumption
Typ. 45 mA
Storage temperature
–20 °C ... +65 °C
Operating temperature
0 °C ... +50 °C
US