How can I get the jotform to stop automatically submitting while using a scan gun

I am trying to figure out why it automatically submits every time I use a scan gun, is there anything i can do? 

You can prevent multiple submissions, here is how to do it: https://www.jotform.com/help/64-How-to-Set-Unique-Submissions-on-a-Form 

Also, you can add a captcha field in your form: https://www.jotform.com/help/205-How-to-Add-a-Captcha-Field 

Let us know if you need more help.