Just talk in front of it.
get a salvage arm from eddo and go 2 the place with the sacred crest
Finding treasure underwater. It's a huge pain to use but you get the hang of it after a while.
You get the salvage arm at a certain point in the game. You get it from the guy who gave you the cannon
To get the salvage arm you need to get where the sun sign tells you to close the ds together and when you start to go to the boat the mailbox will be 'dancing'. See what you got and it will be Eddo and he will tell you that he has finished the salvage arm.
once you are at the part where it says press the symbol to the sea chart click the sun open the sea chart and close your ds/dsi then get the salvage arm (cannon island) go to the courage symbol and salvage
You go to the temple of the ocean king and go to the next available floors and you need to go to the door and draw a hourglass on it. When you enter, you find a map with a symbol on it, close your DS, DS light, or DSi to give you the location of the key. Then eddo invents a salvage arm. get it, then go to the location on your map, use the salvage arm, pull up the chest and in it is the key. then you can open the door.
You can get the Salvage Arm from the man who sold you the Canon on Canon Island in the Southwestern sea chart region.
You should get a letter Eddo and he will tell you to go to him to get a salvage arm
It's actually shows the area of the sun key. You just fold the ds (close the ds so the top screen touches the bottom). But to get the sun key you need the salvage arm. You'll find the savlage arm on cannon island and you buy it off the man you got the cannon from.
After you've freed the Spirit of Wisdom, you will proceed to the Temple of the Ocean King. Navigate your way through this to uncover the location of the Spirit of Courage. Visit Mercay town and note the mailbox should be wiggling. The postman will descend and read a letter from Eddo, announcing the new Salvage Arm.Head to Cannon Island and speak with Eddo. Be warned: he is going to ask you to shout to determine the price of the Salvage Arm. I've heard the prices range from 1,000 to 200 rupees.You can either scream "Salvage Arm!" or snap your fingers or even blow or tap the mic.
You use the salvage arm.
you go to molida island.