Sper scientific 850011, Instruction Manual

Page: 22 / 30

22
Using the previous values stored in memory
a. Select the color different ( Ev, x, y) mode directly.
1. Press the
button and hold for 3 seconds to toggle
reference values mode wihout Data Hold.
2. 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 previous value stored in memory.
3. Press the or button to adjust the Ev reference
value (Ev
ref
).
4. Press the MODE button to toggle the next reference
value (x
ref
).
5. Repeat the step 3 and step 4 to adjust the reference
value (x
ref
and y
ref
).
6. Press the mode button again to return to color differ-
ence mode.
EV
ref
→ → x
ref
→ → y
ref
→ → Color
difference mode
b. Select the ( Ev, u’, v’) mode and repeat step 1~6 to
set the u’ and v’ reference values.
EV
ref
→ → u’
ref
→ → v’
ref
→ → Color
difference mode
c. Select the ( Ev, CT, u’v’) mode and repeat step 1~6
to set the CT reference values. (522)
EV
ref
→ → CT
ref
→ → Color difference mode