User`s manual

5-3.Making dB Measurements

The Meter is capable of displaying voltage as a dB value, either relative to 1 milliwatt (dBm),

a reference voltage of 1 volt (dBV) or a user-selectable reference value.

1.Set the function switch to the green VAC

position.

2.press the softkey labeled Menu. Move the

menu selector to the menu item labeled

dBm. Press the softkey dBm

3.Insert the black test lead banana plug into

the negative COM jack. Insert red test lead

banana plug into the positive V jack.

4.Read the voltage in the main display and the dBm in the Secondary display

5.To select another reference value, press the softkey labeled Ref to display a message box

with the current reference value. Pressing or , scrolls through the nine predefined

references: 4,8,16,25,32,50,75,600 and 1000. Set the reference by pressing the softkey labeled

OK.

The Meter is equipped with an ac low pass

filter. When measuring ac voltage, press the

soft key labeled Menu to open the function

menu, and move the menu selector to the LO

item. Next, press the softkey labeled LO to

toggle the low pass filter mode .

5-4.Low Pass Filter

True RMS Multimeter