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Table 2-4. Membrane Keypad Details (cont’d)
Item Description Function
21 FLOW RATE key Initiates the FLOW RATE Mode of pumping
and displays the FLOW RATE setting of the
pump motor; displays the actual fluid flow
rate, as it occurs in time
22 TUBE ID key Selects the inner diameter of a tube
23 TIME key Initiates the TIME Mode of pumping and
displays the TIME setting of the pump motor;
displays of the actual time for which the pump
has been running
24 TOTAL VOLUME key Initiates the TOTAL VOLUME Mode of
pumping and displays of the TOTAL VOLUME
setting of the pump motor; displays the actual
volume of fluid dispensed, as it occurs in time
25 CALIBRATE key Starts and completes calibration of a tube
26 Red LED for the CALIBRATE key Lights after calibration is complete, indicating
that the motor is pumping according to that
calibration
27 PRIME key Allows for momentary running of the motor;
useful for filling a tube with fluid before
calibrating
28 START/STOP key Alternately starts and stops the pump
29 ᮡ (UP ARROW key) Increases values of a setting after you have
pressed a key choosing that setting (refer to
Table 2-5)
30 ᮢ (DOWN ARROW key)Decreases values of a setting after you have
pressed a key choosing that setting (refer to
Table 2-5)
Parts of the Pump Motor
2
2-5