Keysight N9923-90001 User’s Guide211System SettingsDisplay SettingsDisplay SettingsYou can adjust the FieldFox for optimum viewing in a wide range of lightingconditions.Display settings remain through a FieldFox Preset. To cause the displaybrightness, color settings, and trace width to remain through a FieldFox shutdown, save the display settings as Preferences. Learn how in “Save and ResetPreferences” on page 214.Display BrightnessChange the brightness of the background.How to set Display Brightness— Press System 7— Then Display— Then Brightness— Use the arrows, the rotary knob, or numeric keypad to enter avalue between 0 and 100%.Display ColorsChange Display Colors to alter the viewing scheme.How to set Display Colors— Press System 7— Then Display— Then Display Colors— Then choose one of the following:Clean the transflective screen with gentle and minimal wiping usingIsopropyl alcohol applied to a lint-free cloth.IndoorOutdoor Dusk