General-tools-and-instruments GT310 Manual de usuario descargar pdf (Pagina 12)

OPERATING INSTRUCTIONS

GENERAL INSTRUCTIONS

• To hold (freeze) a reading, briefly press the

Hold/CH

button.

• To turn the beeper on or off, press and hold the

Buzzer

button.

• To turn the backlight on or off, briefly press the

Buzzer

button.

• The meter is equipped with an Auto Power Off (APO) function that is

triggered by 15 minutes with no input. It cannot be disabled. To

“wake up” the meter in the same measurement state (but not

transmission/reception state) it was in when the APO function

activated, briefly press the Power/Tx/Rx/Ax button (Callout 7 of

Fig. 1). You need not turn the rotary dial to power the meter on again.

• Each time you finish using the meter, turn the rotary dial to the OFF

position.

• To ensure the accuracy of measurements, make sure that the points

touched by the test probes are free from dirt, oil, lacquer, and similar

substances.

• Until you configure the meter for wireless operation, only the upper

readout will display measurements. In

“normal” operating mode, the display will

look

like this:

MEASURING DC OR

AC VOLTAGE

F! Do not exceed maximum ratings. Do not contact circuits or

parts of circuits in which voltages with amplitudes greater than 25V

ACrms or 35VDC may be present.

Turn the rotary dial to the V position. The unit mV will appear at the

right of the display. The symbol will appear at the top left of the

display, below the word

AUTO

, indicating that the meter is ready to

measure DC voltage in Auto ranging mode.

To measure AC voltage, briefly press the

Select/0-9

button to change

the symbol to

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 23 24

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General-tools-and-instruments GT310 Manual de usuario Pagina 12