Canon FPD-400D, Руководство по эксплуатации

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(C) Focus servo module initial adjustment
Before put in use, the focus servo module must be adjusted according to the
following procedure.
1. Potentiometer positional adjustment
The module contains a potentiometer which detects the focus position. After
mounting the module on the lens, it is necessary to adjust the pot to determine
the travel range by the following procedure.
By pressing button (1) end set switch, the focus ring rotates and stops at the
mechanical end. But keep pressing another 2 to 3 seconds.
And then by pressing button (2) end set switch, the focus ring rotates and
stops at the other mechanical end. But keep pressing another 2 to 3 seconds.
FOCUS
SE
RV
O MODULE
FOCUS
DEMAND
AUX
LENS
PROTECTION
F
N
F END
SPEED
END SE
T
N
Mouning Knob
End Set Switch (1)
End Set Switch (2)
Protection Adjustment
Trimmers
Focus End Adjustment Trimmers
Focus Speed Adjustment Trimmers
Now adjustment work is done.
(NOTE) : In addition to the adjustment points described above,
the focus servo module has following adjustment points:
Protection adjustment trimmer, focus end adjustment
trimmer, and focus speed adjustment trimmer. These
points have been factory-adjusted properly. Any untrained
person should not touch these trimmers. Unskilled workers
may damage the equipment.
After the focus demand has been mounted, turn the operation knob of the
focus demand, and make sure that the focus ring the lens barrel rotates
smoothly.
FPD-400D̲FPM-420D̲E-0819.indd 28 2010/08/20 16:09:02