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Illustration 3-2:
Scrolling list of LED output levels
Illustration 3-3:
Baseline data input box selected
TAKING MEASUREMENTS
3-2. Blank Measurement
（１）
Set the sample for determining the blank
concentration into the measurement chamber.
（２）
The
③
LED output level
is 10% by default, but other
levels can be selected. Select the LED output level
as appropriate according to blank measurement timing.
We recommend first taking a measurement at the 10%
default level, and then making adjustments later
< Page 15(5)>
.
Tap the
③
, the scrolling list (Illustration 3-2) is displayed.
Then select the number and tap the OK button.
（３）
Do blank measurement. When you tap the
④
Blank
Measurement Intensity Display
, a black frame ap-
pears as shown in Illustration 3-3.
TAK
IN
G
ME
ASU
REME
NTS
14
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