There are four software-controlled push buttons of the piezoelectric type under the display window. The function of the buttons changes dynamically depending on the current phase of a purchase or information retrieval. The current function of a key is indicated by an adjacent caption or instructive text in the display. The ACCEPT and CANCEL are located on each side of the four software controlled buttons.
To be able to program the buttons they have been given the names shown below:
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Reject |
BottomOne |
BottomTwo |
BottomThree |
BottomFour |
Accept |
Figure 6. CWT Compact Soft Button Names
