Nieaf Instruments NI349PR, Руководство пользователя

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3.9 Change from Auto-range Mode to Manual Mode
If users want to select certain range for specific measurement, they can press the RANGE button to select appropriate
range. To return to auto-range, press and hold the RANGE button for 2 seconds.
3.10 Relative Reading Measurements
The REL button 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. But this
function is disabled if MAX/MIN function is enabled. Please watch for symbol displayed on LCD.
3.11 Holding the LCD Reading
Press the HOLD button, then the reading shall be hold and kept on LCD.
3.12 Finding the MAX/MIN Value
Press the MAX/MIN button to enable the maximum and minimum values to be recorded and updated during
measurement. Push the button once, the maximum value shall be displayed and updated. Push again (second push),
the minimum value shall be displayed. Push again (third push), MAX/MIN function shall be disabled and return to the
normal measurement mode. If MAX/MIN button is pressed, the ZERO function will be disabled and the ZERO symbol
will disappear from LCD.