Spectrum analyzer

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)

Detail Monitor screen

Button functions

• 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

Documentation

• Instruction for the Spectrum Analyzer QuanSheng.UV.K5.Spectrum.analyzer.guide.EN.pdf