Nieaf Instruments NI349PR, Руководство пользователя

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13 DCA/W ZERO button
This button is used for DCA ZERO function. To zero the DCA residual value, press this button until the LCD
reading show zero value. If DCA ZERO button is used to zero DCA value, the clamp meter is still in auto-range
mode. It is different from the relative button which forces the clamp meter change to manual mode.
14. Max/Min Hold Button
This button is used to enable the maximum or minimum value to be displayed and updated during
measurement. Press once, minimum value shall be displayed and updated. Press again, maximum value
shall be displayed and updated. Press again (the third push), clamp meter return to normal measurement
mode. Zero function will be disabled if MAX/MIN is enabled.
15. RANGE button
Once the button is pressed, the clamp meter goes into manual mode. To select users' desired range, press
and release the button once. To return to manual mode, press and hold the button for more than 2 seconds.
16. COM Terminal
This terminal is used as common reference input.
17. V Input Terminal
This terminal is used as input for voltage, continuity, or temperature measurements.