HEIDENHAIN ND 287 User Manual - Manual (Page 112)

112
II Installation, specifications
II – 5 D
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Execute function (FXXXX commands)
 The ND acknowledges every correctly received key command by
transmitting the control character ACK (Acknowledge, CTRL F).
Then the ND executes the key command.
 The ND responds to commands that cannot be identified or to
invalid commands by sending the control character NAK (No
acknowledge, CTRL U).
Functions:
 Toggle REF function
: Deactivate or activate REF mode (currently
active REF status is changed).
 Start meas. series / SPC : Start a new series of measurements /
SPC.
 Print : Transmit the current measured value; same function as
Output Measured Values with STX (CTRL B, see "Measured value
output" on page 113).
Execute special function (SXXXX commands)
Functions:
 Reset the position display : Function same as switching the
position display unit off/on.
 Lock keyboard : The ND acknowledges the special function by
transmitting the control character ACK (Acknowledge). All keys of
the ND are locked. The ND can be operated only by external key
commands. The keypad can be released either by transmitting the
special function Release keypad or by switching the position
display unit off and then back on.
 Release keypad : The ND acknowledges the special function by
transmitting the control character ACK (acknowledgment). Then it
releases the keypad that has been locked with Lock keypad.