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Common keys
Below is a list of keys that can be found on both Lathe and Mill versions of the EM250 DRO.
Key
Description
...
Number keys [0] through to [9]
Decimal point. Used with the number keys to enter a
non-integer value,
Used to change the sign of an entered number.
Clear an entered value.
Clear DRO "ERROR" message
Axis Zero keys. These will set the selected axis to
0.000
Axis pre-set keys. Use with the numeric keys to set an
axis value.
Toggle the axis display between metric and imperial
measurements.
This toggles the axis position display between
incremental and absolute, relative to a datum, modes.
Used to set a datum for a operation or for the
workpiece
This function allows for programming of a multiplier to
the axes such that the machined part id 'oversize' by a
set amount. Most useful when machining mould tools.
This key is used to confirm a selection. Used in set
functions such as setting a reference. Not the same as
[Ent]
This is the main ENTER key and used for confirming
entry of all main parameters, such as setting an axis
value.
This is navigation key by the message window and is
used to move between options.
This is navigation key in the functions section (bottom
left) of the display and is used to move between points
or tools.
Keys used by calculator function
nd
Used to access the calculator 2
inverse functions
Calculator memory functions, Recall, Save/Add,
Subtract
Centre Find or Half function used with axis keys
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