37. You are experiencing a tired and dizzy feeling, or twitching sensation, 

 wrist display is reading low, no lights. 



38. One of your control sensors is reading very low or negative, the other 

 control sensor is reading normal, unit functioning normally, 



39. You are flooding with air, oxygen sensors rising rapidly, unit venting. 



40. One of the control sensors is reading abnormally high, the other control 

 sensor is falling and in agreement with the wrist display, red light is 

 on, 



41. Your wrist display is falling, dim yellow light, no chest display read- 

 ings. 



42. All sensors reading low, red light on, bottle pressures ok, oxygen 

 bypass is hard to push, battery level ok. 



IV-14 



