Captains Handbook | Page 37

Little by little manual locks are being replaced by automatic locks operating without the help of a lock-keeper. These locks are set in motion in several different ways: A pole placed on a suspended cable above a canal: – slow down just before the pole. – turn right a quarter of a turn. – wait at a distance until the lights indicate that the lock is ready. An automatic detector placed on the bank: – pass the detector very slowly to give it time to register the presence of your boat. Lock Signals No light: lock out of order No entry: lock out of order, telephone WATERWAY STRUCTURES Automatic locks No entry: lock in use No access: lock preparing for your entry Automatic locks. 1. Advance radar detection 2. Traffic lights 3. Control cabin 4. Intercom 5. Blue pull wire (lift), red pull wire (pull down in case of accident or false manoeuvre) 6. Lock entrance detector: radar, pole, loop, or photoelectric. An electronic control unit that will be given to you as you enter a lock chain: – When you come close to the lock, press the button once only or the system will register several boats. A card that will be given to you as you enter a series of automatic locks. These locks are fast and easy (no handles to turn), but you are solely in charge of the manoeu