Cherry F-88 Benutzerhandbuch
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
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.
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)
alkaline batteries,
type AA (LR6)
Supply voltage
2.0 to 3.3 V SELV
Operating duration
with charged batteries
with charged batteries
approx. 12 months of
normal use in an office
setting
normal use in an office
setting
Charging period
approx. 4 hrs.
Transmission
frequency
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)
alkaline batteries,
type AA (LR6)
Supply voltage
2.2 to 3.3 V SELV
Operating duration
with charged batteries
with charged batteries
approx. 3 months of
normal use in an office
setting
normal use in an office
setting
Charging period
approx. 4 hrs.
Transmission
frequency
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