4
of 12VDC/150mA. If a power adapter is
selected, please be sure to meet the safety
requirements of a relevant IEC standard.
The battery using in TH2822C is
rechargeable. Do not charge non-
rechargeable batteries.
Safety Symbols
This symbol is a warning and
indicates that the user should refer to
the operating instructions located in
the manual.
D C power
Indicates inside pin is positive (+),