You can change the display type (Background or Spectrum analyzer).
Press the [SELECT] (Up/Down) button to select DISP Type.
Press the [ENTER] button.
The display type setting mode is activated.
Press the [SELECT] (Up/Down) button to select a setting item.
When the button is pressed, the setting item changes in the following order.
Background ↔ S/A ↔ Background ↔···
Press the [ENTER] button.
Switches among the adjustments modes.