4-29 
   
Figure 3 (withoutBYPASS)               Figure 4 (with BYPASS) 
 
 
4.12 Alarm Tests 
4.12.1 Prepare for Alarm Tests 
1.  Connect a test lung or manual bag to the Y piece patient connection. 
2.  Set the Bag/vent switch to the 
 position. 
3.  Set the system switch to the 
 position. 
4.  Set the system to Standby. 
5.  Set the ventilator controls as follows: 
  Ventilation mode: select [Vent Mode] and then [VCV]. 
  [TV]: 500 ml. 
  [Rate]:12 BPM. 
  [I:E]: 1:2. 
  [Plimit]: 30 cmH
2
O. 
  [PEEP]: OFF. 
  [Tpause]: OFF. 
6.  Push the O
2 
flush button to fill the bellows, which rises to the top. 
7.  Select single flow control mode of fresh gas in the main menu. 
8.  Turn the O
2
 flow control to set the O
2
 flow to 0.5 to 1 L/min. 
9  Press the soft key and select [Ok] from the pop-up menu to exit Standby. 
10.  Make sure that: 
  The ventilator displays the correct data. 
  The bellows inflates and deflates normally during mechanical ventilation.