For overall blue tint.
No signal, just snow. Warm set up 1/2 hr.
Turn DOWN color level control.
Turn down blue drive to make the pix B&W.
If the blue is already turned down turn UP the red & green
a little at a time to get a B&W pix.
Recheck G-2, there can be some interaction.
Due to age you may not make it perfect but have a good compromise.
73 Zeno
