7
UT581/582 INSTRUCTION MANUAL
in sync(UT582 only).
2.8 Power Off Buzzer: Buzzer alarm after turn off 3 minutes.
2.9 Environmental Protection Energy Conservation: This tester can not
use Battery operation, it can use cable to charge on under(under A/C
220V/50Hz only).
2.10 Fuse: Fused safety protection directly.
2.11 Double insulation or reinforced insulation safety manufacturing.