Auto Power Off; Auto/Manual Ranging - Martindale Electric ET5 Instruction Manual

Electrical tester
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DC
H
%, °F, Hz
µA, A
°C, mV, V, Units of measurement being displayed (Lower display)
µF, mF, Ω,
kΩ, MΩ, Hz

3.6 Auto Power Off

If the electrical tester is inactive for a period of 30 minutes it will
automatically power off.
If any button is pressed after the electrical tester has automatically
powered off, it will turn back on.
To disable the auto power off function hold the
same time as turning the rotary switch from OFF to any position.
The APO symbol will no longer be displayed on the LCD.

3.7 Auto/Manual Ranging

The DC voltage, resistance and capacitance functions have auto
ranging capability and will default to auto ranging when selected.
To select manual ranging, press the
be displayed to signify manual ranging is selected.
To manually select a range when in manual mode press the
button until the required range is selected.
6
Indicates DC measurement
Manual ranging is selected
Display hold is activated
Continuity function is selected
Diode testing function is selected
Indicates battery level
Units of measurement being displayed (Upper display)
button at the
button. The
symbol will

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