#define volume_on_width 9
#define volume_on_height 9
static unsigned char volume_on_bits[] = {
   0x10, 0x00, 0x98, 0x00, 0x14, 0x01, 0x53, 0x01, 0x51, 0x01, 0x53, 0x01,
   0x14, 0x01, 0x98, 0x00, 0x10, 0x00 };