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Chapter 4: Programming 4-9
Note N freq N freq N freq N freq N freq N freq
B
14 62 38 247 62 988 86 3951 110 15804
C
15 65 39 262 63 1047 87 4186 111 16744
Db
16 69 40 277 64 1109 88 4435 112 17740
D
17 73 41 294 65 1175 89 4699 113 18795
Eb
18 78 42 311 66 1245 90 4978 114 19912
E
19 82 43 330 67 1319 91 5274 115 21096
F
20 87 44 349 68 1397 92 5588 116 22351
Gb
21 92 45 370 69 1480 93 5920 117 23680
G
22 98 46 392 70 1568 94 6272 118 25088
Ab
23 104 47 415 71 1661 95 6645 119 26580
Note: The frequency f is given by the equation :
12
N
25.27 ×≈
f
This table provides the full set of frequencies defined, however the
hardware itself may not generate all of these frequencies, and the
frequencies actually generated may not exactly match any of the
frequencies listed. Lower frequency numbers produce lower tones, and
higher frequency numbers produce higher tones.
NCR Platform Software Components
NCR provides three platform software components for configuring the
keyboard: the NCR USB DynaKey Control, the Set USB Key Matrix
application and the Set USB Key Clicks application.
NCR USB DynaKey Control
NCRUsbKeyBoardCtl is an ActiveX control that contains a method for
setting the key clicks SetClicks, and a method for downloading the key
translation matrix information, SetKeyMatrix.