System Maintenance 
6-2 
Use a clean cloth dipped with neutral detergent to remove dust on the covers of the 
main unit and on the control panel. If there is some difficulty to clean the control 
panel, disassemble keys from it and then use neutral detergent to clean it. 
3.  To clean the monitor 
Check if the monitor is skew and the fixing structure is loose. Use a dry clean cloth to 
remove the dust on the monitor. 
4.  To clean the transducer 
Use a dry clean cloth to remove dust on the transducer surface and check if there is 
abnormality such as crack. Then connect it to the system. Use a soft brush to clean 
the transducer holder. 
5.  To clean the video printer 
Clean the thermal head according to the operation manual of the printer.   
6. To clean cables 
Use a clean cloth dipped with neutral detergent to clean the power cord and other 
cables. 
6.2. Software Maintenance 
1.  Before maintain software, ensure the data to be used matches the system to avoid 
system damage and backup the preset data according to the following procedure. 
a)  Press [Preset] key to enter the preset menu. 
 
b)  Move the cursor to the [Preset Data] and select [Save].