Fnirsi 2C53P Manual page 33

3.1 Digital Multimeter Interface Description
①Mode switch： Switch to other modes.
②DC/AC switch： If the selected mode is V (voltage), mA (milliampere current), A (current), you can switch between DC
and AC by clicking on the DC/AC button.
③Measurement parameters：
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Display the current measurement mode and the measured parameters.
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