System Overview 2-17 
2.8.4  ECG module 
  Overview 
To connect the ECG module, the system should also be configured with the I/O extend 
module. 
The ECG module is connected to main unit via connection to the I/O extend module. 
 
Name  Function 
ECG lead port  
Used for ECG signal input 
  Connection 
Connect the ECG module to the main unit via the I/O extend module, see "2.8.2 I/O 
extend module" for details). As shown in the following figure. 
 
NOTE:  You must turn off the ultrasound system before connecting or disconnecting the 
ECG module. Otherwise the system or the module may be damaged.