ʻO SOUTH SDE-28S+ echo sounder kahi ʻano o ka mana ʻoihana a me ka leo echo sounder i hoʻohui ʻia me ka pale TFT-LCD 12.1-inch, ʻenehana mana ʻenehana, ʻāpana kani leo, kaʻina ʻikepili, ʻāpana hoʻomanaʻo i loko a me nā ʻano o nā pilina a me I/ O na mea hana.ʻO ka hoʻolālā kūikawā e hana i ka lepo-pale, waiʻole, shockproof.ʻOhi ia i ke ana hohonu, ka hoʻokele kiʻi, ka ʻikepili hoʻonohonoho, ka loaʻa ʻana o ka ʻikepili hohonu wai.ʻO kēia mau hiʻohiʻona a pau e hoʻoikaika i ka mea kani, paʻa ka hana a me ka pololei pololei.