GDM-541/533 User Manual
40
Others
Steps of
Measurement
1.
Auto power off: During measurement, if there
is no operation for 15 minutes, the meter will
automatically shut down to save power;
before the automatic shutdown, the buzzer
will beep for warning. Users can wake the
meter up by pressing the SELECT button. To
disable the auto-off function, press and hold
the SELECT button in the off state, and then
turn on the meter. To recover the function,
restart the meter.
2.
Buzzer alarm during measurement: When the
input voltage >1000V or current >10A, the
buzzer will sound an alarm.
3.
Low battery indication: When the battery
voltage is ≤4.6V ±0.2V, “
” will be
displayed.