Sony HDC-P1 Maintenance Manual page 53

Setting illumination (when the refl ective chart is used)
Measuring equipment: Illuminance meter (Calibrated)
1. Turn on the light source and warm up for about 30
minutes.
2. Place the illuminance meter on the chart surface.
Adjust the position and angle of the light source so that
the whole surface of the chart is evenly 2000 lx.
n
Light the chart from almost the same direction and
height as the camera to shoot the chart.
Setting luminous intensity (when the transparent chart is used)
Measuring equipment: Luminance meter (Minolta LS-110
or equivalent. Calibrated.)
1. Light the pattern box and warm up for about 30 min-
utes.
2. Place the pattern box where the chart is not exposed to
light, such as a darkroom.
(Or cover the pattern box with a cover whose inside is
painted in black.)
3. Place the luminance meter facing straight to the chart
at a distance of 1 m from it.
4. Adjust the luminance control of the pattern box so that
the white portion in the center of the chart is 573 ?6
cd/m .
2
n
This corresponds to the luminous intensity on the
89.9%-refl ective chart at 2000 lx.
HDC-P1
Chart Chart
Illuminance meter Illuminance meter
Chart Chart
1 m 1 m
Light source Light source
Luminance meter Luminance meter
3-3 (E)