Huazheng HZGC3521 Series, Руководство пользователя

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Three-phase energy meter field calibrator
2.82 Terminal power supply
Manual selection mode of power supply
：
In the manual selection mode of power supply, the power supply mode identifier at the lower
right corner of the instrument screen is a little red upward plug icon (as shown: )
press 【 F4 】 to switch to the battery power supply.
Automatic selection mode of power supply
：
In the automatic selection mode of power supply, in case there is no adapter power supply,
the instrument automatically selects the online terminal power, and the power supply mode
identifier shows a little yellow upward plug icon, as shown above.
2.83 Adapter power supply
Manual selection mode of power supply
：
In the manual selection mode of power supply, when the instrument connects to an adapter,
the adapter will charge the battery.
Automatic selection mode of power supply
：
In the automatic selection mode of power supply, when the adapter is plugged, the instrument
will automatically select the adapter power supply.