If you've installed a ship's siren in your apartment as an alarm, here are some steps you should consider:
1. **Check Local Laws and Regulations**: Before using a ship's siren as an alarm, ensure it's compliant with local noise ordinances and regulations. Some areas have strict rules about the level of noise that's permissible, especially during certain hours.
2. **Test the Alarm Safely**: If you haven't already, do a test of the siren to see