Major tech MT767 Manuel d'instruction - Page 9

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5.2. AC/DC Voltage Measurements

1. Insert the black test lead into the negative COM terminal and the red

test lead into the positive V terminal.

2. Set the function switch to the ACV or DCV position.

3. Connect the test leads in parallel to the circuit under test.

4. Read the voltage measurement on the LCD display.

5.3. Resistance Measurements

1. Insert the black test lead into the negative COM terminal and the red

test lead into the positive V/Ω terminal.

2. Set the function switch to the Ω

3. Press the MODE button until "Ω" appears in the display.

4. Touch the test probe tips across the circuit or component under test. It

is best to disconnect one side of the device under test so the rest of the

circuit will not interfere with the resistance reading.

5. Read the resistance measurement on the LCD display.

5.4. Diode, Continuity and Capacitance Measurements

1. Insert the black test lead banana plug into the negative COM jack and

the red test lead banana plug into the positive diode jack.

2. Set the function switch to the Ω

3. Press the MODE button until "

4. Touch the test probes to the diode under test. Forward voltage will

indicate 0.4V to 0.7V. Reverse voltage will indicate "OL". Shorted devices

will indicate near 0mV and an open device will indicate "OL" in both

polarities.

For Continuity tests, if the resistance is <50Ω, a tone will sound.

5.5. Capacitance Measurements

WARNING: To avoid electric shock, disconnect power to the unit under

test and discharge all capacitors before taking any capacitance

measurements. Remove the batteries and unplug the line cords.

1. Set the rotary function switch to the Ω

2. Insert the black test lead banana plug into the negative (COM) jack.

Insert the red test lead banana plug into the positive (V) jack.

3. Press the MODE button select capacitance measurement

4. Touch the test leads to the capacitor to be tested.

5. Read the capacitance value on the display

Red

Black

Probe

Probe Probe

Forward test

position.

" appears in the display.

Black

Red

Probe

Reverse test

CAP position.