PROGRAMMING KEY MAKE/BREAK CODES
There are two scan codes assigned to each key, one for when the key is depressed (MAKE code) and the other for when the key is released (BREAK code). Generally, all keys are programmed to output both MAKE and BREAK codes. The SHIFT, CONTROL and ALTERNATE keys are always programmed to output MAKE and BREAK codes so that the system can tell if the key is being held down. Refer to Appendix D for a list of the scan codes associated with the typical
Table 6. Remote Programming Commands For Key MAKE/BREAK Codes
REMOTE | DESCRIPTION |
PROGRAMMING |
|
COMMAND |
|
|
|
! | Defines where the output of MAKE codes end and BREAK codes start. Prior to this |
| command, all codes are sent when the keys are pressed (MAKE codes). After this |
| command, all codes are sent when keys are released (BREAK codes). |
|
|
@ | Defines where repeating function of keys start. After this command, all keys repeat |
| code when keys are held down past repeat time. |
|
|
# | This command overrides PC settings for key. Key sends code as typed on BREAK. |
|
|
$ | This command overrides PC setting for repeat. Key sends code as typed on MAKE and |
| BREAK. |
|
|
^ | Defines the position of a Sec Op Key on the Series 500 Keyboard. Note that a Sec Op |
| Key must be defined on the Series 500 Keyboard to enable programming of secondary- |
| level key codes. |
|
|
& | Defines the position of a Sec Op Lock Key on the Series 500 Keyboard. |
|
|
( | Used to define left SHIFT key MAKE code. |
|
|
) | Used to define left SHIFT key BREAK code |
|
|
[ | Used to define left CONTROL key MAKE code. |
|
|
] | Used to Define left CONTROL key BREAK code. |
|
|
{ | Used to define left ALTERNATE key MAKE code. |
|
|
} | Used to define left ALTERNATE key BREAK code. |
|
|
- | Shorthand for BREAK code of previous CxDx key. |
|
|
CyDx | Key number for hex code of xy is xy in range 00 to 7F. |
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