User manual for single-phase meter
29
it may threat life. Make sure in replacement process, power grid will not
be powered on by misoperation.
2) Open terminal cover.
3) Remove the battery to be replaced.
4) Plug in the new battery.
5) If the display of meter works, it means currently new battery installation is correct.
6) Close terminal cover.
7) Power on the meter.
To ensure battery replacement will not make any influence to RTC of the
meter, please try to finish battery replacement in a short period (within
20s is recommended), or after battery replacement, use PC software or
HHU to write RTC of the meter.
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