Key-Code For The Alphabetic Keyboard; Key-Code For The Soft-Key Row On The Screen; Code For Soft Key Functions; Appendix - HEIDENHAIN TNC 415 Technical Manual

Key-code for the alphabetic keyboard:

xx 50 (Hex)
ASCII key-code (see "Appendix")

Key-code for the soft-key row on the screen:

xx51 (Hex)
xx results as follows:
08 00 01
Key code for changeover keys at right of screen:
xx52 (Hex)
xx results as follows:
00
GRAPHICS 01
TEXT
SPLIT
SCREEN

Code for soft key functions:

0000 (Hex): INTERNAL STOP
0100 (Hex): M (M-function)
0200 (Hex): S (S-function)
0300 (Hex): TOUCH PROBE
0400 (Hex): PASS OVER REFERENCE
0500 (Hex): RESTORE POSITION
4-170 TNC 407/TNC 415/TNC 425
02 03 04
8 Key-simulation
05 06 07 0A
01.98