- 8 multimedia keys
- Win key block function
No documents are required, if a good has a mechanical damage but the repair requires payment.
If a good has not a mechanical damage, a document confirmative the date of purchase (a cash register receipt) + the warranty card are required.
With other questions regarding after-sales service you can address by e-mail firstname.lastname@example.org.
Plating is the coating by the method of hot rolling or pressing of material surface with a metal layer. The aluminum-plated keyboard case is resistant to contaminations and damages of its surface; in addition, aluminum screens the keyboard comptroller against electromagnetic interference.
In order to improve a radio mouse (radio keyboard) speed and its operation reliability it is necessary to place the transmitter-receiver unit a little father (more than 30 cm) away from metal surfaces and electric devices, but the radio keyboard or mouse close (within a radius approx. 30 cm) to the transmitter-receiver unit. Mobile telephones, especially of GSM standard, also worsen a radio mouse (radio keyboard) speed and its reliability; therefore keep telephones within a radius no less than 1 m from your radio devices.
1. The area of range of sensitivity of the human eye to the blue color is the highest, the blue color is recognized at the maximum distance from the retina center even by "indirect" vision.
2. All people, even with the defective color vision (8 % of men have red-green dichromatism), distinguish the blue color and its tints very good.
3. The blue color is considered as soothing color, which also raises labor productivity.
Ingress of liquid into a keyboard leads to unfortunate results not only for the keyboard, but frequently and for the motherboard of a computer. For the avoidance of negative consequences, we started to use the so-called Waterproof technology, which enables to protect the controller microcircuit of a keyboard and the contact field of keys against penetration of liquid. The liquid is removed through special holes in the keyboard case.