◆ 24 programmable filters per channel and 24 LEDs for display.
◆ There are 24 LEDs in each channel, representing 24 filters, that is, there are 24 monitoring points. A steady light indicates that a feedback signal has been detected, the filter has been used, and a flashing light indicates that no feedback signal is detected or the filter is not used.
◆ Dynamic filter and static filter mode.
◆ Dynamic filter automatic release characteristics.
DM20new version update step
1) Copy the compressed package to the USB flash drive (note that you don't need to decompress it, it is best to format the USB flash drive first)
2) Insert the USB flash drive into any USB port of the mixer, and click “SETUP” on the mixer panel → “Maintenance” → “Update from USB” in the screen
Follow the prompts to complete the installation steps.