JRC JQE-103 Operation Manual page 40

Do not wipe the both of conductive switch terminals in the same time.
It might cause the false transmission of distress signal due to the sensor detects the water and
activated.
Do not use salt water to wipe the Satellite EPIRB. Using salt water may cause false transmission
of the distress signal by adhering salt on the conductive switch terminals.
Do not loosen the conductive switch terminal.
4) Visually confirm that the Satellite EPIRB main unit is clean enough, then re-install the Satellite
EPIRB main unit to the automatic release bracket.
Please perform the above mentioned cleaning about once per month.
CAUTION
Fig.4-3b Conductive switch terminal
4-4
Conductive switch terminal