Relative value measurement (REL) mode
The relative value mode is a measurement mode that displays the difference between the measured value and
the reference value. Relative value mode is available for most functions of this meter.
1. After pressing the REL button, the measured value currently displayed is saved as a reference value and then the
relative value mode is activated.
2. The “▲” displayed on the LCD screen indicates that the relative value mode has been activated.
3. The value displayed on the screen is the difference between the current measured value and the reference value
saved previously.
4. Press the REL button again to exit the relative value mode.
5. When the measurement function or range changes, the relative value mode will be automatically disabled.
Application of relative value measurement (REL) mode
1. Voltage range: If the LCD display has the initial reading, enable the relative value function; press the REL
button, the LCD screen displays the “▲” symbol, and the initial reading is subtracted; “000” is displayed (Vary
in different ranges), and then perform measurement according to the voltage measurement method.
2. Resistance range: Turn the range to the resistance position; insert the test probes and contact the two metal
probes reliably (short circuit); observe the reading on the LCD, and press the “REL” button if there is an initial
reading; the “▲” symbol appears on the LCD screen. The initial reading is “000” (Vary in different ranges), and
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