Note: In dBm function, power up default reference impedance will be displayed for 1
second before displaying the dBm readings. Press dBm-
(RANGE) button
momentary to select different reference impedance of 4, 8, 16, 32, 50, 75, 93, 110,
125, 135, 150, 200, 250, 300, 500, 600, 800, 900, 1000, up to 1200
. Last selection
will be saved as power up default for repeat measurement convenience.