Siemens SINUMERIK 808D Programming And Operating Manual page 42

Manual machining
3.4 Manual machining using cycles (functions)
Optional parameter, gear stage pre-selection
In the input fields for the relevant manual machining, e.g. thread tapping, it is possible to pre-
select the gear stage (see screenshot below).
Figure 3-19
If a gear unit is installed on the machine, you can select the gear stage using the <SELECT>
key.
Note
The selection of the gear stages can be changed by the following general machine data:
 $MN14512 USER_DATA_HEX[31]
42
Gear stage pre-selection
– 1's digit -> Number of selectable gear stages
– 10's digit -> = 1 -> With selection of "Automatic gear stage selection"
Programming and Operating Manual, 12/2012, 6FC5398-3DP10-0BA0
Manual Machine Plus (Turning)