POSIFLEX Business Machines KB-6600U user manual Part

programmable keyboard, the user should notice that at the bottom of each key top, one of the four walls is springy and in the hole on the keyboard to accept the bottom of the key top there is a protuberance at the lower side. The user should match the springy wall of key top against the protuberance in the hole (ref. Fig. 3-5) and press the key top down till a click sound is heard. The key cap (except the blank key) should be placed after the printed label is stuck onto the key top.

Furthermore, there are blank keys available which the user can use to form visible partitions or clusters of key tops on the programmable keyboard. When the user wants to make a group of keys on the programmable keyboard clearly separated from the rest part of the keyboard for certain specific application, he/she can use the blank keys to replace the normal individual keys around the area. The top surface of a blank key is at the ground level of the key stroke for other keys (ref. Fig. 3-7). The blank key will not be pressed down when pressed. The user may order for accessional quantity of the blank keys as option for his/her application.

There are also double key available for the user to configure the programmable keyboard such that the most frequently used keys may occupy larger areas. The double key occupies two adjacent positions and uses only the bottom position for key content (ref. Fig. 3-4). An example of using the above mentioned alternate key tops is shown in Fig. 3-7

protuberance

Fig. 3-3 Fig. 3-4 Fig. 3-5

Springy wall

Fig. 3-6

Single key

Numerical keys

Fig. 3-7

Double key

Part 5