Seiko 300 Lap Memory Stopwatch "s149 changing battery" Questions

...battery on an s149 stopwatch printer Go to this link for your instructions. The title page is in Kanji, but the instructions are in english... http://www.cei-ultrak.com/seiko/s149.pdf Good luck and ...

I changed the batteries and the display will not turn on. The printer seems to have power. I have tried all buttons but no display. there may be an AC terminal that you will have to contact with the ...

how do i get the unit open to replace the round "button" battery? I suggest taking the item to a watch repair store and have them install it for a min. cost, some will change the battery ...

...s149 will not display anything on the screen. It seems like the paper is moving and the power is working. One black line appears in the middle of the screen. We had to change the internal battery on ...