Relative Reading Measurements; Holding The Lcd Reading; Finding The Max/Min Value; Auto-Power-Off - PROVA CM-03 User Manual

3.4.4.Read the measured value from the LCD display.
3.4.5.If the resistance is lower than 40 Ω , a beeping sound shall be heard.

3.5. Relative Reading Measurements

The zero button also can be used to make a relative measurement. Once the
button is pushed, the current reading is set to zero and a zero symbol shall be
displayed on LCD. All the subsequent measurement shall be displayed as a
relative value with respect to the value being zeroed. Press the zero button for
2 seconds to return to normal mode.
NOTE: The ZERO button is disabled if ohm and continuity function is selected.

3.6. Holding the LCD Reading

Press the HOLD button, then the reading shall be hold and kept on LCD.
NOTE: The HOLD button is disabled if ohm and continuity function is selected.

3.7. Finding the MAX/MIN Value

Press the MAX/MIN button to enable the maximum and minimum values to be
recorded and updated during measurement.
maximum value shall be displayed and updated. The LCD display toggles
between the MAX and MIN values. To exit MAX/MIN function, press and hold
the MAX/MIN button for more than 2 seconds.
NOTE: The MAX/MIN button is disabled if ohm and continuity function is
selected.

3.8. Auto-Power-Off

The meter will turn itself off 15 minutes after power-on (A symbol of APO is
displayed in LCD). To turn it on again, user can either press any button or turn
the rotary switch. Also pressing any button or turning the rotary switch will reset
the 15 minute timer.
To disable the Auto-Power-Off function, hold the HOLD button while turning on
power.
Push the button once, the
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