Sonel CMP-1010 Manual De Uso página 59

6.1 Button REL
6.1.1 REL function
This mode enables a measurement relative to a reference value.
 To enable the mode, press briefly REL
readout value is taken as the reference value, and the readout will
be reset.
 From this moment, the readings will be presented as the ratio of
the measured value to the reference value.
 To enable the mode, press REL
The displayed main result is the difference between the reference
value (read-out at the moment of activating REL mode) and the cur-
rent read-out. Example: if the reference value is 20 A, and the cur-
rent reading is 12.5 A, then the main result on the display will be
-7.5 A. If the new reading is identical to the reference value, then
the result will be zero.
 When the function is activated, the automatic adjustment
of the measuring range is not available.
 If the reading is outside the measurement range, symbol
OL is displayed In this situation, turn off the function and
manually switch to a higher range.
 This function is not available for diode test, continuity test
and duty cycle.
6.1.2 Display backlight
Pressing and holding REL
ON/OFF the display backlight function.
6 Special features
CMP-1010 – USER MANUAL
. Then, the displayed
.
button for 2 seconds will turn
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