5 OPERATION
5-40
EM210F-1
5.4.3c Astigmatism
Correction
1.
Depress the OBJ STIG switch (L1-
⑤
) or turn on “DEF Select-OL STIG” on
the “Alignment Panel for Maintenance” screen.
2.
Depress the IMAGE WOBBLER X switch (R1-
①
) to turn on the switch.
3.
Focus the image using the OBJ FOCUS knob (R1-
⑥
).
4.
Turn off the IMAGE WOBBLER X switch (R1-
①
).
5.
Turn on the IMAGE WOBBLER Y switch (R1-
①
).
?
A doubled-image appears on the screen.
6.
Manipulate the DEF STIG Y knob (R1-
④)
to make the doubled-image as a
single image.
7.
Turn off the IMAGE WOBBLER Y switch (R1-
①
).
8.
Turn on the IMAGE WOBBLER X switch (R1-
①
).
?
A doubled-image appears on the screen.
9.
Manipulate the DEF STIG Y knob (R1-
④)
to make the doubled-image as a
single image.
10.
Repeat above steps until the image does not become doubled.
F
Sect. 5.3.7a for the image focusing using the image wobbler.