How do I disable the CTCSS/DCS settings on my RETEVIS RA86 mobile radio?

[MacElijah]

To remove the default CTCSS/DCS settings on your RETEVIS RA86 mobile radio, follow these simple steps: First, ensure your radio is switched off. Next, press and hold both the PTT button and the Scan button simultaneously. While keeping these buttons pressed, power on the radio. This action will clear all default CTCSS/DCS settings, effectively removing them from all channels. For more comprehensive details and visual aids, please consult the official RETEVIS RA86 Mobile Radio User Manual.