3. Operation
• Measuring in ABS/INC mode
(Angle counter setting : 1')
Step Procedure Screen Counter Display
1
Align a cross-hair line on the
screen with the datum. Set
the angle counter to ABS to
mode, then set it to zero.
2
Rotate the protractor screen to
measure angle
θ
A
(=θ
1
).
3
Switch to INC mode to set
the counter to zero.
4
Rotate the protractor screen
to measure angle
θ
B
.
5
Measure θ
2
.
(
θ
2
is displayed when
switching to the ABS mode.
)
6
Switch to INC mode to set
the counter to zero.
3 sec.
No.99MBA043A 3 - 19