Chapter 4:  Programming  4-13 
 
NCR USB DynaKey Control Parameterization Registry Values 
ProgramParameterizationRegistryvaluesappearundertheregistry
key:
[HKEY_LOCAL_MACHINE\SOFTWARE\NCR\USBKeyboard\PID_0321\]
 Key-Value Definitions 
Keyword
1
  Value (Decimal numbers)  Default  Registry 
KeyClick\frequency
2
Afrequencybetween
27Hzand42192Hz
1760 DWORD
KeyClick\volume
2
Avaluebetween0
and15
15 DWORD
KeyClick\duration
2
Anumberof
milliseconds(0‐
1023)thesound
shouldbeproduced
23 DWORD
KeyMatrix\keynumber
3
Asinglekeyboard
usagetobeinstalled
forkeynumber
perkey
matrix
sectionfor
PID_0321
DWORD
 
1
Keywordsarenotcasesensitive.
2
TheKeywordsfrequency,volume,anddurationandtheirvaluesassent
tothekeyboardtonedevicearewrittentotheregistry.Thisenablesa
systemsmanagementprogramtodeterminecurrentkeyclicksettings.
3
Thekeynumbervaluenameisadecimalnumberthatmustbeoneof
thepossiblekeynumbersforthedesignatedproduct.Forexample,
“SetKeyboardKeyEntry(0321)”requirestheregistrycontainakey
named
HKLM\Software\NCR\USBKeyboard\PID_0321\KeyMatrix,and
underthiskeytheremustbeoneormorevalueswithnames“1”
through“128”thatcorrespondtothekeynumbers.