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What sound signal alerts others a boat is backing up?
3 short blasts
What sound signal alerts others that a vessel is backing up?
3 short blasts
What sound alerts other that a boat is backing up?
3 short blasts
What sound signals alerts other that boat is backing up?
Three short blasts means that the ship's engine is working in reverse.
What sound signal alerts others that a vessel is docking?
loud
How do you turn off alert signal on Palm Treo 680?
* 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'
What are the devices which converts sound signal into electrical signal other than microphone?
One is the hydrophone, used to pick up sound waves underwater.
What sound alerts others that a vessel is leaving the dock?
one prolonged blast
What causes a knocking sound when backing a car?
If it only happens when backing up, you may have the parking brake engaged.
How do you set your Gmail account to play a sound when you receive a new email You cant?
There is currently no sound option for new email alerts
What does Ralph use to signal any other boys who survived?
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.
What has to happen to sound wave before they can be transmitted by radiowaves?
The sound signal must firstly be changed into an electrical signal.
