Scale: 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.

Power Offset: Choose power offset to automatically adjust for the loss 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 (not shown).

Auto Range: Adjusts the reference level automatically when Auto Range is activated. Toggles between On and Off.

Adjust Range: Adjusts the range of the reference level to be optimal based on the measured signal.

Unit: Changes the unit of measure for the Y‑axis. Changes between dBm, W, and mW.