UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

TonyDuell · 5th May 2020, 7:52 am

I seem to remember that's what it should do. Diagram N1450 has a comment to this effect too. You get the buzzer sounding at Main if the extensions are ringing.

5th May 2020, 7:52 am	#24
TonyDuell Dekatron Join Date: Jun 2015 Location: Biggin Hill, London, UK. Posts: 5,208	Re: Plan 105 with external extensions I seem to remember that's what it should do. Diagram N1450 has a comment to this effect too. You get the buzzer sounding at Main if the extensions are ringing.