3-46 Operation
iii
NOTE: A syntax error in your formula will result in a “Token Error” message
when running the assay.
GRAYZONE ENTRY
Use the Grayzone screen (Figure 3-54) to enter the grayzone percentage for the assay.
The grayzone is the area around the cut-off, that is, samples that fall within an area
defined by the cutoff (+/- 5%) would be considered equivocal or questionable. Any
previously defined grayzone value is displayed.
E
N
T
E
R
G
R
A
Y
Z
O
N
E
?
0
5
%
Figure 3-54: Grayzone Percentage screen
• Use the NUMERIC keys to enter the grayzone value. The range is 1
to the number of defined replicates of a control.
POSITIVE OR NEGATIVE CALL FOR CUTOFF
The positive or negative call for cutoff allows the user to define the calls
above cutoff as positive or negative (Figure 3-55). Calls below the cutoff will
be the reverse of the above cutoff specified.
S
A
M
P
>
C
U
T
O
F
F
+
0
5
%
?
P
O
S
P
O
S
N
E
G
Figure 3-55: Positive or Negative Call for Cutoff entry screen
• Use SOFT KEY 1 to select a positive call for cutoff.
• Use SOFT KEY 2 to select a negative call for cutoff.
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