HTC 21-S Manuale d'uso - Pagina 9

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Function button:
Gear function selection/intelligent measurement
button
Maximum/Minimum Value button
Function selection/inrush current measurement
button

Measurement Operation

Warning
Do not measure voltages above 600V as this may
•
damage the meter.
When measuring high voltage, pay special attention
•
to safety, so as not to be subjected to electric shock
or personal injury.
Before use, test known voltages or currents with the
•
meter to confirm that the meter is fully functional.

Power on/off

)
1
Press and hold the
turn on.
2)
The meter automatically performs a self-test when
switched on and displays "CAL", do not press the
trigger to open the clamp at this time.
)
3
Until the buzzer beeps "beep, beep, beep" to
indicate the completion of the self-test.
key for about 2 seconds to
6