Battery Maintenance
While powered by AC, it is able to charge the battery provided that the AC switch on the back of the unit is turned to "I".
It is required to charge & discharge the battery at least every 3 months.
When charging, you are required to keep the machine in standby condition.
Indicator on the top the unit will blink while charging, and keep in light when charging is almost completed that it requires additional 2~3 hours to complete the charging.
Thermal Printer Maintenance
Residue and dirt on the thermal printer could affect the clarity of printing out ECG trace.
To clean the thermal printer, you are required to open the paper magazine and clean the printer with soft cotton dipped with alcohol.
It is not permitted to operate on the printer with a sharp object.
Otherwise, permanent damage could be resulted.
Thermal printer maintenance should be done at least once a month.