Huazheng HZGC3521 Series, Руководство пользователя

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Three-phase energy meter field calibrator
3.16 About the pilot test measurement
The instrument is equipped with automatic and manual selection mode of power supply.
When you automatically select power supply, there are three modes of power supply, adapter,
voltage terminal and battery. Priority is given to automatically select the adapter power supply; if
there is no adapter, you can automatically select voltage terminal power, and if there are no
adapter and voltage terminal, you can select the battery power supply; when you manually select
the power supply, you can force the choice of voltage terminal or battery power.
The instrument has automatic and manual selection mode of power supply; through 【 F4 】
switch the automatic or manual selection mode of power supply.
When a pilot tester detects the instrument, the instrument must be supplied with power by the
battery or charger adapter, or else the accuracy of the instrument will be affected.
Open the instrument, and through 【 F4 】 , switch the manual selection of the battery to supply
the instrument with power, when the battery status at the lower right corner of the instrument
screen identifies a little yellow battery icon (as shown: ) that is, the
instrument is supplied with power by the battery; if the mode of power supply at the lower right
corner of the instrument screen identifies a little yellow upward plug icon, that is, the instrument is
supplied with power by calibration console power supply. Press
【
F4
】
to switch to the mode of
battery power supply or use an adapter, and the instrument is supplied with power by the adapter.