EWSMS_SYNC_BTN_R
bl = (btns & EWSMS_SYNC_BTN_R) == 0;
br = (btns & EWSMS_SYNC_BTN_R) == 0;
(EWSMS_SYNC_BTN_R|EWSMS_SYNC_BTN_M|EWSMS_SYNC_BTN_L)