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PENTRA 80 TECHNICAL MANUAL
PROCEDURE
4.3. WBC\Baso gain adjustment
A special cycle allows the dilution of the RBC\Plt LATEX to 1/733rd (3µl of LATEX with 2.2ml of
diluent). A special count program carries out the calculation of the mean volume in the predefined
zones and displays them every 700ms. The duration of the measurement cycle is 21 seconds.
The adjustment is made using R134 potentiometer (See “Gains”, page 5).
Run command WBC\Baso Gain menu: Service\Technician\Measurement\Gain.
Target values:
• WBC\Baso = 102
Mix RBC\Plt LATEX thoroughly before sampling.
4.4. Liquid sensors adjustment
The liquid sensor test points are located at the bottom of the Main board (See “Liquid sensor test
points”, page 6).
Draining 1: TP52 - R151
Draining 2: TP48 - R78
Counting: TP58 - R71
LMNE Transfer: TP67 - R77
Diag.6Liquid sensor test points
From menu Service\Technician\Measurement\Gain\Liquid sensor adjustment adjust all the
different voltage values according to the following table.
Table 3: Liquid sensors adjustment
Liquid Sensor
6/8
Test Point
Potentiometer
Range \ Connector
Draining 1
TP52
R151
4.5V ±0.3V \ J30
Draining 2
TP48
R78
4.5V ±0.3V \ J29
Counting5
TP68
R171
4.5V ±0.3V \ J41
Transfert LMNE
TP67
R177
4.5V ±0.3V \ J37