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Troubleshooting; Technical Data - Cherry KC 4000 Operating Manual

Corded keyboard
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3.2 RSI syndrome
RSI stands for "Repetitive
Strain Injury". RSI arises due
to small movements contin-
uously repeated over a long
GB
period of time.
Typical symptoms are discomfort in the
fingers or neck. For further informa-
tion see: www.cherry.de/english/ser-
vice/servicedownload_rsi.htm.
• Set up your workspace ergonomi-
cally.
• Position the keyboard and mouse in
such a manner that your upper arms
and wrists are outstretched and to
the sides of your body.
• Take several short breaks, with
stretching exercises if necessary.
• Change your posture often.
3.3 Disposal
Dispose of the used device at an
official collection point for
electronic waste or at your local
dealer.
6

4 Troubleshooting

• The keyboard does not work:
Use another USB port on the PC/
laptop.

5 Technical data

Designation
Value
Supply voltage
5.0 V/DC ±5 % SELV
Current
Max. 50 mA
consumption
Storage
–20 °C ... +65 °C
temperature
Operating
0 °C ... +40 °C
temperature
6 Contact
ZF Friedrichshafen AG
Electronic Systems
Cherrystraße
91275 Auerbach
Germany
Internet: www.cherry-world.com
E-mail: info@cherry.de
Please provide the following information
about the device when you make an
enquiry:
• Item and serial no. of the product
• Name and manufacturer of your
system
• Operating system and, if applicable,
installed service pack version
7 General user
information
We reserve the right to make technical
modifications which serve the
development of our products. Improper
use and storage can lead to faults and
damage to the product.
The warranty expires completely once
unauthorized modifications to the
product have been carried out. Do not
carry out any unauthorized repairs and
do not open up the product. These
instructions are only valid for the
supplied product.

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