Double Flags

9 buttons contain colorful squares on the panel.

Each square represents 2 maritime flags stacked on top of each other with blended colors. One representing the number 1-9 and the other representing an alphabet letter

Reading left-right top-bottom, the squared can be decoded as follows.

6O 4F 8E 3Y 7W 2A 1M 9R 5L

Rearranging in 1-9 order gives the final answer of MAYFLOWER