Roche CoaguChek XS Pro, Operator'S Manual

Page: 65 / 156

Meter Setup •
4
65
If you selected Custom Range , the QC Range screen
opens and offers you the following options:
■
Display target value (On/Off)
■
Deviation from target value (percentage value). See
page 64.
For the control solutions, the target value always comes
from the information stored in the code chip. If you have
chosen Custom Range , you can now select an allowed
deviation from target value in the range of 0 to 22.5% (in
the illustration, 11.5%).
Note: Percentage deviation from target value is always
defined using INR values. Even if you have activated
% Quick in the setup, the meter always calculates
the deviation using INR values
; this range is then
converted to % Quick in a second step. As there is no
linear correlation between values expressed as INR and
values expressed as % Quick, if you calculate the per-
centage deviation (11.5 % in the example) using the %
Quick target value, your result may deviate from the
result calculated by the meter using the INR target
value.
QC Range
09:15 am
04/19/2012
Custom Range
Default Range
QC Range 09:15 am
04/19/2012
Deviation from
target value
Display
target value
On Off
11.5 %