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4 STANDARD MEASUREMENT MODE
4.3 Distance Measurement
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Prism mode and Non-prism mode
In IS series, the distance measurement will be done using invisible pulse laser beam emitted from pulse
laser diode. You can select measurement mode between Prism mode which collimating a prism and
Non-prism mode, Non-prism long mode that is collimating a target object except prism.
•
For measurement with a prism, be sure to measure with the prism mode. If you measure with the
non-prism mode and non-prism long mode accuracy cannot be guaranteed.
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Non-prism mode and non-prism long mode enable all distance measurements such Distance
measurement, Coordinate measurement, Offset measurement and Layout.
•
To switch over Prism mode to Non-prism mode or Non-prism long mode, press the [NP/P] operation
key in each measurement display. [NP] of Non-prism mode indicator will be shown at the right
corner of the display in Non-prism mode measurement. (or [LNP] of Non-prism long mode indicator
will be shown.)
Changing mode shall be done before measurement.
•
When using a reflection sheet, measure with the prism mode.
•
It is possible to set Non-prism mode or Non-prism long mode for distance measurement during the
power on time.
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If happened collimating the near distance prism in Non-prism mode or Non-prism long mode,
measurement will not be done because of too much light.
Note: Those distance shorter than 1m and 400m or more will not be displayed in Non-prism
mode.
Those distance shorter than 4.5m and 2010m or more will not be displayed in Non-
prism long mode.
Example
Distance measurement mode
Coordinate measurement mode
Non-prism mode indicator
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