重要
請先測試防水殼（先不要放相機和鏡頭）
雖然每個防水殼出廠前都經過水壓測試，再次自行測試能確保：
1) 沒有在運送過程中造成肉眼看不見的損傷
以及
2) 有正確安裝防水殼系統。
每當
1) 儲放一段時間後或是旅行時
以及
2) 防水殼保養後
就再次進行測試
IMPORTANT
TEST DIVE THIS HOUSING WITHOUT A CAMERA INSTALLED FIRST
While every (brand) housing is pressure tested before leaving the factory, this test ensures
1) there is no unseen shipping damage
and
2) you have properly setup the housing system.
Also perform this test
1) after storage or travel.
and
2) after any housing service.