​No​ ​Available​ ​Wristbands

When​ ​a​ ​user’s​ ​card​ ​is​ ​swiped,​ ​all​ ​of​ ​the​ ​docked​ ​wristbands​ ​will​ ​be​ ​checked​ ​to​ ​see​ ​which​ ​is​ ​ready for​ ​use.​ ​If​ ​there​ ​are​ ​no​ ​wristbands​ ​docked​ ​or​ ​if​ ​none​ ​of​ ​the​ ​wristbands​ ​batteries​ ​are​ ​ready​ ​the​ ​screen​ ​will show​ ​‘There​ ​are​ ​no​ ​available​ ​bands’.