3 short blasts
3 short blasts
3 short blasts
Three short blasts means that the ship's engine is working in reverse.
loud
* Go to Applications . * Select Prefs. * Under General, select Sound & Alerts. * Now you can select the application (Ring Tones, Phone Alerts, Calendar, Messaging, System) and its sound options.'Off' is a choice for the volume drop down listing,so just select 'Off'
One is the hydrophone, used to pick up sound waves underwater.
A signal generator produces electrical signals that can be converted into sound waves by speakers or other devices. The generated signal can vary in frequency, amplitude, and shape to create different types of sound waves.
one prolonged blast
If it only happens when backing up, you may have the parking brake engaged.
There is currently no sound option for new email alerts
Ralph uses the conch shell to signal any other boys who survived. The sound of the conch shell represents order and authority, making it a recognizable signal for the boys to gather.