User manual

2
The symbol indicates that dangerous voltages constituting a risk of electric shock
are present within this unit.
The symbol indicates that there are important operating and maintenance
instructions in the literature accompanying this unit.
This symbol indicates that this product incorporates double insulation between
hazardous mains voltage and user accessible parts. When servicing use only identical
replacement parts.
CAUTION：
When the apparatus was in electrostatic circumstance, it may be malfunction and need to
reset by user.