Tuning a Baby Monitor?

I have an M250 LCD baby monitor & have lost the instructions, I can't get a good picture, there is a lot of interference
Fred Shepherd, May 2012


done
You can get the manual as a PDF file here:

http://www.isgfire.co.uk/Downloads/OperatingManuals/250Series_OperatingManual.pdf

Electro, May 2012