Velleman DVM040 Manual Del Usuario página 17

when the red test lead connect the earth line, the buzzer does not
sound and LED will not flicker.
Notes
• When the circuit is in serious leakage (approx. over 15V), the red test
lead even contact earth line, the buzzer of meter will be sounded and
LED will be flickered.
10.10
1. Press the MAX/MIN button to activate the MAX/MIN recording mode,
the display icon "MAX" will appear, the meter will display and hold the
maximum reading and will update only when a new "max" occurs. This
display icon "MIN" will appear, the meter will display and hold the
minimum reading and will update only when a new "min" occurs.
2. To exit MAX/MIN mode press and hold MAX/MIN button for 2 seconds.
10.11
The relative measurement feature allows you to make measurements
relative to a stored reference value. A reference voltage, current, etc. can
be stored and measurements made in comparison to that value. The
displayed value is the difference between the reference value and the
measured value.
1. Press REL button to store the reading in the LCD display and the REL
indicator will appear on the LCD display.
2. The LCD display will indicate the difference between the stored value
and measured value
3. Press the REL button to exit the relative mode.
10.12
Press the button for 1 or 2 seconds to turn on or off the display
backlight function, the backlight will automatically turn off after 10 seconds.
10.13
The hold function freezes the reading in the display, press the HOLD button
momentarily to activate or to exit the hold function.
V. 01 – 04/05/2023
DVM040
MAX/MIN
RELATIVE MODE
DISPLAY BACKLIGHT
HOLD FUNCTION
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