Spectrum Sweep screen

Press F + 5 NOAA to turn on the Spectrum analyzer.
The current VFO/Memory frequency will be the center frequency of the spectrum sweep

Spectrum analyzer can also be used with ScnRng mode
NOTE: in this mode blacklist is limited to 15 frequecies

Button functions

1 / 7 - increases/decreases frequency step between consecutive bars
4 - toggles the number of bars (channels) in the graph
2 / 8 - increases/decreases frequency step size by which the graph is scrolled with UP/DOWN buttons
5 - shows a frequency input box for lower sweep frequency (value in MHz, * - decimal point)
3 / 9 - increases/decreases maximum dB value (vertical scale)
6 - toggles receiver bandwidth
* / F - increases/decreases squelch level
0 - toggles modulation type (FM/AM/USB)
Side Button I - excludes current frequency from the spectrum scan
Side Button II - toggles backlight
EXIT - exits to a previous screen/function
PTT - switches screen to detail monitoring of last received frequency (see below)

M - Scrolls through the parameters displayed at the bottom of the screen which can be adjusted with UP/DOWN
- LNAs - Short Low Noise Amplifier
- LNA - Low Noise Amplifier
- PGA - Programmable Gain Amplifier
- IF - Intermediate Frequency
EXIT - exits to the previous screen of the spectrum analyzer