What is the significance of the background color change on the heart/pulse window when doing a scan with the pulse?

Articles in this section

• After pulse-scan for minus (healing) frequencies, do l need to analyze the results for angle and angle + current or just to run them without analyzing?
• Is it recommended that you use pulse with USB hub?
• Why is the green light on Pulse visible but no BPM detected?
• Can you make the pulse sensor less sensitive?
• Is there any way to speed up the process of Pulse Scan?
• My biofeedback scan pulse spent long time, is that normal? Do I need to use the scan every day or can I keep using the same results for some day on and off?
• What can I do if the red light did not flash when I do Pulse Scan?
• Why does the Pulse Scan always loop?
• Why it warns me it is test mode when I use the Spooky Pulse Biofeedback?
• What's the best way to speed up a pulse scan?