div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · Notes: Three tones in short succession indicates wrong code Flashing battery symbol S indicates low battery Lock will not operate if battery is too low Micro USB port on left src=https:reader030vdocumentsnetreader030viewer20220408185e6505c4366e5338d5048c4chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · Notes: Three tones in short succession indicates wrong code Flashing battery symbol S indicates low battery Lock will not operate if battery is too low Micro USB port on left src=https:reader030vdocumentsnetreader030viewer20220408185e6505c4366e5338d5048c4chtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv