MOA-20106 On detecting the signal, the Mobilarm Crewguard automatically sounds the alarm and displays a man overboard warning light. Proximity to the man overboard is indicated via a simple LED display. Additional Direction Finding equipment may be necessary to locate man overboard. Sea Marshall Mobilarm Crewguard Base UnitBrochure (.pdf)
The Mobilarm Crewguard can interface with onboard systems to automatically activate or deactivate devices, such as engine shut-off, auto-pilot, external sirens and strobe lights.
In a lone-worker environment, the Mobilarm Crewguard can be connected to an auto-dialer that will call up to 8 land lines or cell phones to call for help.
Continuously monitors 121.5 MHz frequency
Immediately detects emergency signal from activated Sea Marshall alerting unit
Automatic alarm and flashing LED man overboard warning
Simple LED display indicates signal strength (near or far)
Plots vessel’s GPS position at time of incident (Requires NMEA GPS Interface)
No limit to the number of alerting units that can be used with one Crewguard
In the Box: Crewguard CG-121 MKII (rev.a) pre-wired to Crewfix NMEA box. Features Include: Dedicated 3 band (121.5,121.65,121.775MHz base unit, LED MOB warning indicator, Immediate automatic alerting of an MOB, Approximate range indicator, External Siren/Alarm for loud audio MOB alerting, Waterproof IP66 display, 12/24V power supply, NMEA Crewfix interface, external antenna with brackets, 5m cable.