Setting The Display
OPERATION
A50 Digital Readout SystemOPERATION, Setting the display
NOTES
Toggling the display off
doesn’t turn the power off
- as long as the power
supply is plugged in, all
settings are preserved,
and the position is
updated.
At the beginning of each
working session, set the
datum in Absolute mode,
then switch the A50 to
Incremental mode.
By using the A50 in this
way, you will be able to
return the machine to its
absolute datum at any
time, by simply switching
back to Absolute mode.
If you are using
Segmented Error
Compensation, see
page 10 for details of the
datum setting procedure.
Newall Measurement Systems Ltd 5
In normal operation, the keys are used as follows:
·Press to toggle the display and keypad on and off.
·Press to toggle the display between inches
and millimetres.
·Press to toggle the A50 between absolute
and incremental mode.
Absolute mode
In this mode, the A50 will display the position
relative to an fixed datum.
Incremental mode
In this mode, theA50 can be used to display each
position relative to the last position. This is also
known as point-to-point use.
Setting the datum
·To zero the display at the current position:
press . All readings will now be relative to this zero point.
·To set the display to a known fixed point:
Example: to enter the value . All readings
will now be relative to this fixed point.
·If you make a mistake while entering a number, pressing will clear the entry one
character at a time.
·It is advisable to mark the Absolute Datum point physically on the machine , so as to be able to re-establish this
datum after power loss. See Digifind Page 6
