div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · an ex of the CW Decoder Battery Replacement AAAx4: Push the minus-driver to the cutout provided on the back cover and pry it open When the CW decoder is not in long use remove src=https:reader034fdocumentsusreader034viewer20220422175ec0dbee2cbe9516c23239e1html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · an ex of the CW Decoder Battery Replacement AAAx4: Push the minus-driver to the cutout provided on the back cover and pry it open When the CW decoder is not in long use remove src=https:reader034fdocumentsusreader034viewer20220422175ec0dbee2cbe9516c23239e1html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv