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ST-4
USER MANUAL
11
USER MANUAL
3 TURN THE METER ON
Press and release the HOME [A] key.
4 TURN THE METER OFF
Press and hold for 2’’ the HOME [A] key.
5 CHECK THE BATTERY CHARGE STATUS
When the meter is on, at the bottom left corner of the LCD display [F] an icon will show
the current power source of the meter: built-in battery or mains external feed.
Build-in battery feed Mains external feed
Connect the supplied AC adaptor or the supplied cigarette lighter adaptor to the [S6]
inlet (located on the left side of the meter) to recharge the built-in battery. When the
meter is connected to an external power supply, the LED indicator [B] (located on the
meter front panel) turns on, and the build-in battery recharge mode is activated.