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Topcon BT30

Discussion in 'Lasers' started by OMB, Dec 15, 2018.

  1. OMB

    OMB Active Member

    Apr 3, 2011
    Yeah, not a laser question but the nearest category.

    I bought a Topcon BT30 digital transit on a chance online for short money. I have experience with transits but this is my first exposure to digital transits. It powers up, goes to the vertical circle mode and displays accurate values but when switched to horizontal mode the screen is blank- any insight from those in the know?