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ENG
User’s Manual KB-C3800W
8. TROUBLESHOOTING
Solution
Problem
The keyboard and mouse
are not working.
1. Check whether the batteries have been installed correctly. If ne-
cessary, replace the batteries with new ones matching the polarity.
2. Pull out the USB receiver and insert it back, make sure that it is
not damaged.
3. We recommend that you address your nearest service center.
If none of the above methods can solve the problem, please seek professional advice at your
nearest service center. Never attempt to repair the product yourself.
9. TECHNICAL SPECIFICATIONS
Parameter, measurement unit
Q-ty of keyboard keys
Q-ty of shortcut buttons
Q-ty of mouse buttons
Keyboard layout
OS compatibility
Interface
Error-free running time
Coverage range, m
Mouse resolution, dpi
Frequency, GHz
Keyboard dimensions (W × H × L), mm
Mouse dimensions (W × H × L), mm
Weight (keyboard + mouse), g
Value
104
12
5 + 1 (scroll wheel)
Eng/Rus/Ukr
Windows XP/Vista/7/8/10
USB
more than 20,000,000 strokes
up to 10
800/1200/1600
2.4
450 × 25 × 185
103 × 66 × 38
584 and 80
Notes:
• Technical specifications given in this table are supplemental information and cannot give
occasion to claims.
• Technical specifications are subject to change without notice due to the improvement of
SVEN production.