Troubleshooting - How to open the Casing Lid of the Ampfibian RV02 to access the switch

The lid covering the switch is purposefully difficult to open.

Use a 20c coin or flat-bladed screwdriver to gently apply pressure to the ridge between the lid and adapter. Please see the below picture. 

​

Wipe the area dry before making sure it is securely closed. Water can sometimes seep into this area. This is not a problem unless there is more than a spoon's worth.