Warning at the check of the ship bottom part or the instrument.
1. When you perform the checking at the ship bottom part, be sure to
wear a helmet and safety shoes, act in pairs and create a system so
as to communicate with each other at any time.
Caution about installation location.
1. Avoid using the instrument at a location where the temperature
becomes 50°C more, such as a location where the instrument
receives direct sunlight for a long time or a location in the vicinity
of a heating appliance.
2. Avoid using the instrument at a location where the instrument
directly receives spindrift or at a humid location.