4. Multimeter Features
Data Hold Mode
(1) Press to freeze the display during measurement, will be shown on the
display.
(2) Press again to exit this mode.
Making Relative Measurements
When making relative measurements, reading is the difference between a stored
reference value and the input signal.
(1) Press to enter the relative mode, will be shown on the display. The
measurement value when pressing is stored as the reference value.
In this mode, REL△ (current reading) = input value - reference value.
(2) Press it again to exit the mode.
In relative measurement, the manual range mode will be activated automatically. (The
relative measurement should be carried out under a certain range, that is, this function is
only available under the manual range mode.)
Note: This function is not available when measuring AC voltage/current, transistor (only
for specific models), and frequency.
Buzzer Feature
⚫ Press the function key, the buzzer emits a short beep.
⚫ One minute before Auto Power-off, the buzzer will beep five times to warn. Before
shutoff, the buzzer will emit a long beep, and then the multimeter will shut off.
⚫ The buzzer beeps continuously to warn once the measured DC voltage exceeds 1000
V, or the measured AC voltage exceeds 750 V.
⚫ The buzzer emits a long beep when the short circuit resistance is less than about 50
during the continuity test.
⚫ When the Bluetooth function is idle for 10 minutes, the Bluetooth will be turned off
automatically. Before turning off, the buzzer will beep twice.
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