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move the reading points over the graph jointly using two buttons. The optimum reading point is that which globally
maximises the light intensity for all the filters. At all times, the screen shows the current coordinate of the filter 0
and the last coordinate stored, as additional information for the technician. When the position is satisfactory, the
current coordinate of the positioning of the filter 0 can be stored by pressing the Store button. Pressing the Cancel
button keeps the last stored value and the current value is not stored.
4.2.6. Adjustment of the level control scales
This screen makes it possible to set the level control scales with the empty waste and distilled water containers
(0% capacity) and when they are full (100% capacity). The maximum capacity of the containers is approximately
3L. The technician must choose whether he wishes to set the distilled water or waste container scales, with the
corresponding container full or empty. According to the requested adjustment, the corresponding container, full or
empty, must be placed in position and the Adjust button pressed. Based on the settings made, the analyzer
automatically adjusts the scales. On pressing the Store button, the analyzer saves the new values of the adjusted
parameters. Pressing the Cancel button keeps the last stored values and the current values are not stored.
4.2.7. Adjustment of the level detection sensitivity
This screen allows fitting the sensitivity of the capacity level detection system of the end. In the position 2 of the
tray of racks (beginning by the left), you should place a 13 mm rack with four tubes in positions 6, 7, 18 and 19 with
about 400 mL of distilled water. It is possible to see a graphic with the position of the tubes and racks in the screen
photo. When pressing the Adjust button, the arm takes some sensitivity readings automatically until detecting the
water in each one of the tubes. Once this operation is finished, the arm is parked in its original position and it
shows the sensitivity results of each one of the tubes. Move rack to position 5 and repeat the adjustment. Once
these second readings are finished, the program calculates the average of all sensitivities; the result is the average
sensitivity. The technician should notice that the sensitivity values of each tube have to be similar; otherwise, he
should repeat the whole measurement.
Pressing the button Save, the analyser saves the new adjusted sensitivity value. Pressing the button Close, the
old value stays. Pressing the button Restore, the initial value of entry to the screen is restored. A manual sensitivity
value can be inserted in the corresponding box.
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