User's Manual Part 2

20
11.4 RSI syndrome
RSI syndrome
RSI stands for "Repetitive Strain Injury". RSI arises
due to small movements continuously repeated
over a long period of time.
Typical symptoms are discomfort in the fingers or
neck.
1 Set up your workspace ergonomically.
2 Change the angle of the keyboard using the rear
supports.
3 Position the keyboard and mouse in such a
manner that your upper arms and wrists are
outstretched and to the sides of your body.
4 Take several short breaks, with stretching
exercises if necessary.
5 Change your posture often.
12 Technical data
12.1 Wireless keyboard
Designation Value
Battery type 2 rechargeable
alkaline batteries,
type AA (LR6)
Supply voltage 2.0 to 3.3 V SELV
Operating duration
with charged batteries
approx. 12 months of
normal use in an office
setting
Charging period approx. 4 hrs.
Transmission
frequency
2.4 − 2.4835 GHz
Frequency channels 64
Range max. 20 m
Transmission output can be set from
−20 dBm to 0 dBm
Storage temperature −20 °C to +60 °C
Operating temperature 0 °C to +50 °C
12.2 Wireless mouse
12.3 Wireless receiver
Designation Value
Resolution 800 dpi
Battery type 2 rechargeable
alkaline batteries,
type AA (LR6)
Supply voltage 2.2 to 3.3 V SELV
Operating duration
with charged batteries
approx. 3 months of
normal use in an office
setting
Charging period approx. 4 hrs.
Transmission
frequency
2.4 − 2.4835 GHz
Frequency channels 64
IDs 65,536
Range min. 3 m, max. 20 m
Transmission output can be set from
−20 dBm to 0 dBm
Storage temperature −20 °C to +60 °C
Operating temperature 0 °C to +50 °C
Designation Value
Sensitivity −80 dBm
Storage temperature −20 °C to +60 °C
Operating temperature 0 °C to +50 °C