Sanyo VPC-C5 Service Manual page 18

3. Lens Adjustment
3-1. 1m Siemen Star Chart Adjustment
(Choose either 3-1. or 3-2.)
Camera
Preparation:
POWER switch: ON
Adjustment condition:
More than A3 size siemen star chart
Fluorescent light illumination with no flicker
Illumination above the subject should be 400 lux ± 10 %.
Adjustment method:
1. Set the siemen star chart 100 cm ± 3 cm so that it be-
comes center of the screen.
2. Double-click on the DscCalDi.exe.
3. Click the "Focus", and click the "Yes".
4. Lens adjustment value will appear on the screen.
5. Click the OK.
DscCalDi
Focus Result
!
STD_AFPOS=1918
FOCUS=-1,-9,-7,5
Adjustment value determination is effectuated using the "STD
AFPOS" and "FOCUS" values.
If FOCUS=focus1, focus2, focus3, focus4 and the adjustment
values fulfill the conditions below, they are determined as within
specifications.
Adjustment value determination
1800<=STD_AFPOS<=2000
-40<=focus1<=+40
-50<focus2<+50
-60<=focus3<=+60
-200<=focus4<=+200
100 cm 3 cm
Siemen
star chart
x
OK
3-2. Collimator Adjustment
Camera
Preparation:
POWER switch: ON
Set up the collimator to the infinity.
Note:
Do not vibrate during the adjustment.
Adjustment method:
1. Set the camera so that it becomes center of the screen in
the collimator.
2. Double-click on the DscCalDi.exe.
3. Select "Infinity Cal" in the LCD "Test".
4. Collimeter adjustment value will appear on the screen.
5. Click the OK.
DscCalDi
Focus Result
!
STD_AFPOS=1918
FOCUS=-1,-9,-7,5
Adjustment value determination is effectuated using the "STD
AFPOS" and "FOCUS" values.
If FOCUS=focus1, focus2, focus3, focus4 and the adjustment
values fulfill the conditions below, they are determined as within
specifications.
Adjustment value determination
1800<=STD_AFPOS<=2000
-40<=focus1<=+40
-50<focus2<+50
-60<=focus3<=+60
-200<=focus4<=+200
– 18 –
Collimator
(Set up to the infinty.)
x
OK