Erasing Frequencies in PSR-500

[bessiedawg]

I've asked this before, but unfortunately have now forgotten. I need to erase a frequency that I assigned to a system object. How do I do that. When entering zero's it just keeps giving me an error message.

Thanks

 

[hypersight]

press FUNC CL
It's on page 66 of your owners manual.

 

[bessiedawg]

Thank you !