Red indicator lite between gauges 71' 750 Honda

[littleavent]

I have a 71/72 Honda CB750 that I bought  from a "brokerage firm" while I was in the US Navy 1968 to 1972. I was stationed on board the aircraft carrier Franklin D. Roosevelt during a "Med cruise in 1971".
They (the Navy) allowed a company (I think it was called Europacar International) to sell vehicles to servicemen. Well I purchased a CB750 from the Honda factory through them. Note: I tried to buy a Vincent Blackhawk from them but they said those bikes weren't allowed in the US. (Something to do with California.) It took nearly a year for them to deliver the bike. I picked it up in Jacksonville Fla. after I been out of the service 3 months. the factory kept losing my order ( I wished I'd kept that correpondance)
 Anyway I got the bike (I actually saw it come off the freighter and lowered onto my rented Uhaul trailer).
THAT was one of my better days. Took her home, cleaned off the preservatives, serviced her and fired her up! I was definately the "Baddest Cat" around for while. Use to really P. O. the Harley Riders :)
  To My question ...... Finally... there is a red jeweled indicator lite between the guages that I never seen on any other CB750. It Never has lit up. I reconfigured it to come on when the headlite was off. I learned a long time ago to make myself as visible as possible when riding.
   Does anyone know what the purpose of that lite. One guy told me that I had a Japanese Domestic bike but the dealers I dealt with didn't know....but they always want to buy it from me. I don't plan to sell but if I restore it Iwant it to be as accurate as possible.............Anybody know..............Huh?
 

[Tech78]

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[Re-run]

Is that it or was it at one time a speed indicator?  had heard the japanese bikes(those sold in japan) had indicators that came on if you went over a certain speed. Maybe not?

[Tech78]

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[Re-run]

It probably is, I just remember hearing that certain models had a light to warn when you got to a certain speed, but that could have been a different bike too.