Scale/div: The scale can be set in 1 dB steps from 1 dB per division to 15 dB per division. The value can be changed using the keypad, the rotary knob, or the Up/Down arrow keys.

Scale changes the y-axis scale. This applies to the Spectrum view only. When in any other view, the display is “--”.

Power Offset: Choose power offset to automatically adjust for the loss that occurs through any external cables, attenuators, and couplers. The power can be offset from 0 dB to 100 dB. Press the Power Offset key, enter the values, and press the dB submenu key.

Auto Range: Pressing this submenu key toggles between On and Off. This function adjusts the reference level automatically when Auto Range is activated.

Adjust Range: When Auto Range is OFF, pressing Adjust Range sets the Reference Level automatically for that one particular measurement. Pressing this button when Auto Range is ON, will turn Auto Range to OFF

Units: select either dBm or Watts as the power unit.