POSIFLEX Business Machines PST KB136 manual Application, Keyboard Construction

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APPLICATION

KEYBOARD CONSTRUCTION

This keyboard is constructed of three parts on the top surface (ref. Fig. 6-1). A 6 position turning key switch area is at the upper right corner, a 17 x 8 matrix push key switch structure occupies most of the top surface and a up-down slot near the left edge is designed for the Magnetic Stripe Reader options.

Push key switch matrix structure	6 position key
	switch area

MSR slot

Fig. 6 – 1 Structure of KB136

LED’s

In the rectangular area at upper right corner there are one 6 position electronic key switch and three LED’s. They are arranged as indicated in the left of Fig. 6-2.

6 - 1