Siemens SINUMERIK 840D sl Operating Manual page 56

Setting up the machine
2.4 Settings for the machine
Proceed as follows
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1. Select <JOG> or <AUTO> mode in the "Machine" operating area.
2. Press the menu forward key and the "Settings" softkey.
A new vertical softkey bar appears.
3. Press the "Switch to inch" softkey.
A prompt asks you whether you really want to switch over the unit of
measurement.
4. Press the "OK" softkey.
The softkey label changes to "Switch to metric".
The unit of measurement applies to the entire machine.
5. Press the "Switch to metric" softkey to set the unit of measurement of
the machine to metric again.
Operating Manual, 03/2010, 6FC5398-6AP10-4BA0
Universal