Sound pressure level measurements of public address and general alarm systems on board vessels installations.
D.M.S operator have adequate knowledge of the applicable international requirements
(SOLAS 1974), as amended, Ch lll,
Reg 4 and 6, International Life-Saving Appliances Code (LSA Code) Ch Vll Reg.7.2 IMO Code on Alarms and Indicators 1995 as amended).