B. Braun INFUSOMAT-secura Reparaturanleitung Seite 91

2.7 Alignment and adjusting instructions
1. To align the air trap oscillator:
1.1
1.2
13
14
15
1.6
2. Adjusting and testing the air trap sensors:
Connect jumper JT 1-2 to the uP circuit board.
Switch on unit.
Connect up frequency counter to MP-LFF (R16, analog circuit board).
Mass connection e.g. upper end of the resistance.
Press keyboard key 2 and balance out with potentiometer P2
(upper poti)
fmin = 250kHz.
Press keyboard key 1 and balance out with potentiometer P1
(lower рой)
fmax = 450kHz.
Remove jumper JT 1-2.
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