3.4.5 Angle measurement (Using the Angle counter)
Using the protractor screen and the rotary table for measuring angles:
• Loosen the clamp knob and use the rotation knob to turn the protractor screen.
Screen rotation knob
0” line
Clamp knob
NOTE
Always use the rotation knob to rotate the protractor screen. Other methods of
screen rotation may cause an error in angle measurement.
• Angle counter
The angle counter has two measurement modes : ABS mode for absolute measurement
and INC mode for comparative measurement. Use the [ABS/INC] key to select the mode.
Pressing the [ZERO] key sets the counter to zero at any angular position.
At power on, the counter is in ABS mode with 0 being displayed. Holding down the
[MODE] key for about 2 seconds can toggle the smallest unit of the angle counter
between 0.0
° and 1'.
Each time the [MODE] key is pressed, the display of smallest unit is switched.
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