You can select between light and dark background. The setting is at the bottom in the
Views menu and it is common for all measurement modes.
You can can configure different views for different purposes.
The display can show your measurements in several different ways. Up to 4 views can be configured.
You switch between them using the VIEW button. To get even more flexibility,
you can split the screen in two halves (dual view), and have two different data sets available.
SLM is a traditional Sound Level Meter.
L(f) is a spectrum with octave or fractional octave frequency filters and weighting networks.
L(t) is a profile of any of the measured filters or networks.
Ln is a statistical distribution display.
FFT is a narrow band spectrum based on linear frequency level analysis.
Key Legend is a view with two large buttons. The give you easy access to the
functionality of the two middle soft buttons. The Key Legend view is only available width dual view.
Landscape mode are also available, selecting the the views with "Landscape" behind.
Landscape views will force use of single mode.