Using The Measured Values - Sentry ST520 Instruction Manual

5-2-1 Using the Measured Values

a.Select the（Ev, x, y）mode first and measure a light source.
1.Press the HOLD button to hold these values that you want to
use as your reference values.
2.Press the
mode.
3.Press the
toggle the set reference values mode. The SET symbol will
appear and the Ev symbol will flash on the LCD. In the set
mode, the default of Ev reference will show the measured
value that you held previously.
4.Press the
value（Ev
5.Press the MODE button to toggle next reference value （x
6.Repeat the step 4 and step 5 to adjust the rest reference
values（x
7.Press the MODE button again to back to color difference
mode.
→ MODE→ x
EV
ref
b.Select the（Ev, u', v'）mode and repeat step 1～7 to set the u'
and v' reference values.
→ MODE→ u'
EV
ref
c.Select the （Ev, CT, ⊿uv） mode and repeat step 1～7 to set the
CT reference values. (522)
→ MODE→ CT
EV
ref
Please note that the Ev reference value in the three modes（Ev,
x, y ,Ev, u', v' and Ev, CT, ⊿uv）is the same.
button once to toggle the color difference
button again and hold for 3 seconds to
or
）if necessary.
ref
）.
and y
ref ref
→ MODE→ y
ref
→ MODE→ v'
ref
→ MODE→
ref
button to adjust the Ev reference
→ MODE→
ref
→ MODE→
ref
Color difference mode
17
Color difference mode
Color difference mode
） .
ref