HEIDENHAIN ND 720 v.3 - Manual (Page 69)

69
External
Operation
Via
RS-232-C/V.24
Data
Interface
Special functions (SXXXX commands):
Counter RESET:
After the software has reset the counter, the counter restarts.
(same function as switching the display unit on/off.)
Lock keyboard:
The display unit acknowledges this special function by
sending the control character ACK (Acknowledge).
All keys of the display unit are locked. The counter can only
be operated via external RS-232-C/V.24 commands. The
keyboard is either unlocked by sending the special function
"Unlock keyboard" or by switching the display unit on/off.
Unlock keyboard:
The display unit acknowledges this special function by
sending the control character ACK (Acknowledge).
A keyboard that has been locked with the special function
"Lock keyboard" is unlocked.
Bateil2.pm6 27.03.2002, 12:09 69