Installation manual

Manual Part # 800-1402-001 Rev E Page 17 of 48
Basic Functions
MEASUREMENT READING DIRECTION
Once the system has been put into operation, if the direction of readings,
(positive or negative values) is opposite the desired direction, the DRO
programming may be changed to correct the direction.
See Programming Parameter (Pr2).
KEY LOCK
The Digital Readout provides a function that can be used to “lock-out” the
position offset adjustment keys (+, DATUM, –) to prevent accidental changes of
the current displayed value. To activate the Lock function, press and hold the
ON/OFF key and then momentarily press the UNITS key. The word LOCK
LOCKLOCK
LOCK will be
displayed in the upper left corner of the LCD. When
the LOCK
LOCKLOCK
LOCK symbol is displayed, the +, DATUM and –
keys become inactive.
To de-activate the Lock function, press and hold the
ON/OFF key and then momentarily press the UNITS key.
The Lock function can also be enabled through programming. This allows a
more permanent Lock function since programming can be disabled with a
hardware jumper inside the DRO. See Programming Parameter (Pr3)
DISPLAY RESOLUTION
Four display resolutions are available with all the LCD DRO’s.
.1in .1mm .1cm or
.01in .01mm .01cm or
.001in .01mm .001cm or
.0005in .01mm .001cm
To change to another display resolution See Programming Parameter (Pr4)
NOTE: Data displayed on the LCD and sent to the SPC port is auto-ranging.
This means that the selected resolution may be temporarily overridden by the
DRO if the position to be displayed exceeds the maximum displayable position
for the selected resolution. The DRO will continue to reduce the resolution until
either an allowable resolution is achieved or to 1 decimal place to the right of
the decimal point. Allowable ranges are:
Inch Resolution Maximum Value (Inches)
4 decimal places
99.9999
3 decimal places
999.999
2 decimal places
9999.99
1 decimal place
99999.9
Millimeter Resolution Maximum Value (mm)
2 decimal places
9999.99
1 decimal place
99999.9