Back lit keyboard NSI

This unit combines all functions, controls and features for comfortable key input and cursor control under low light conditons as well as under normal daylight. This sealed industrial keyboard integrates a 50mm large industrial grade trackball for accurate and precise cursor control. The key legends, the key edges and the trackball contour are backlighted for ease of recognition under low light conditions. In addition, the intensity of the backlight is digitally dimmable in 8 steps in order to set it to the operators' best comfort. An automatic night/day sensor controls the on/off setting of the backlight. Several internal features warant for a longer life of the backlighting source.

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