Being cheap I ordered this one which are NiCd. https://www.amazon.com/gp/product/B071VZLKC9/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 Bob

I could not find the pack listed at the link you sent. But I think the 5 in line AA's is a common item. I saw some at Amazon for less than $5 each. And my local Batteries and Bulbs store probably has

Yesterday I bought a model 211 scope at the Dalton hamfest. While it works I need to replace the batteries. He seller already has the batteries out and I assume they are bad. It works without the batt

Yes it does have the plug in board on the rear of the Interface board. I think I saw somewhere there two differerent versions of this board. One for single beam and one for dual beam scopes. For some

OK, I must confess I had the replacement cap in backwards. A new cap with the correct polarity fixed the -30V problem. I still would like some tips on how to troubleshoot the 5110 scope. The horizonta

I found my problem and now its working. No, I did not ask how it sat unused for that long. He says he has another one that he has been using. I like the big screen and its fine for my audio work. Now

A friend gave me this one saying it had never been used. It still had the little paper stuck on the CRT saying how to power it up if it had been off for over a month. But of course it did not work cor