i got a used tec ma 1350 when i plug all light are on can't do anything ?
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changing battery on Guard Tec 350 alarm?
After a power failure how can I restart a TEC MA 1400?
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Change tax rate on Tec MA-1450 cash register?
Regarding red ring model 5005 expression ?
where do i find reset button?
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how to get 2 decimal places on tec ma-1350?
how can i fix my vaillan eco tec plus?