10-8 Installing Options 
 
3. Install fixed plate of pencil probe signal line assembly to front output panel mental part through 
two 
cross panhead screws M3X8. 
 
 
4. Fix the front output panel with ECG board again through five cross recessed small pan head 
screws M4X12. 
5. Move the pencil probe signal line from top table of main unit to the mother board side. The pencil 
probe signal line along MIC signal line and other lines is fixed by seven cable ties CHS-3X100mm. 
The pencil probe signal line can be connected with mother board after passing through keyboard 
low speed signal line. 
 
Comparison before and after removing 
pencil probe knockout cover