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③ Press the "F1" button to select the dc voltage, or press the "F1" once again and switch to
the "voltage" file.
④ Connect the test pen to voltage or power supply under test, the display value can be read.
At the same time, the red pens and receive polarity can also be through the LCD display
shows the value of the positive and negative. (when the ac voltage measurement non-polarity
display) the instrument defaults to "automatic" range.
2.Dc and Ac current measurements
① Press "F2" or "F3" will block adjustment to the required range
② The black pens and receiving apparatus ".com "terminal, red pens and pick up in" mA ", the
largest terminal input current of 600 mA.
③ The measurement of pens and string into the circuit under test to read values.
Note: if the current signal under test before the unmeasured is unknown, please press "F2" to
gear to the "dc" or "communication A" file.
3.On and off the test
(1)Take black pens and the instrument ".com "terminal, red pens and pick up the instrument
Ω" V "terminals.
(2) by pressing the "F4" button to select "on-off" file.
(3) when the test is less than 30 Ω resistance or lines, the built-in buzzer will sound.
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