Physiological Unit Signal  7-5 
 
2.  Press <Physio> on the control panel. Tap [PCG] on. The PCG wave appears as the backlight 
becomes green. 
3.  Press the different mode buttons to change the imaging mode. Adjust the parameter to obtain the 
optimized image.   
4.  Adjust [PCG Gain] and [PCG Smooth].   
5.  Freeze the image and the curve, and then review them. 
6.  Press <Physio> to disable PCG wave. Then exit the PCG, and unplug PCG sensor. 
7.3.2  PCG Parameters Description 
Type  Parameter  Description 
PCG parameter 
PCG 
Function: to control the display of PCG trace. 
Adjustment value: ON/OFF, the trace appears when the 
backlight becomes green. 
PCG gain  Function: to set the amplitude of PCG trace. 
PCG smooth  Function: to smoothen PCG trace. 
 
 
 
 
Aortic valve auscultation area 
Pulmonary valve auscultation area 
Tricuspid valve auscultation area