When passing through a lock, a green light typically indicates that you should approach the lock under full control. This means that you should reduce your speed and be prepared to enter the lock safely. It is important to follow any additional instructions provided by the lock operator to ensure a smooth passage through the lock.
To alert a river lock attendant that you wish to go through the lock, you usually sound your horn or whistle in a specific sequence as defined by the lock operation rules. Typically, this involves a series of long and short blasts to communicate your intention to pass through the lock.
One long blast on the boat's horn or whistle indicates to the river lock attendant that you wish to go through the lock.
A door lock is typically considered a combination of a lever and wedge simple machines. The lever is used to turn the lock mechanism, while the wedge secures the door in place when the lock is engaged.
A lock and key system works by using specially designed grooves and ridges on the key that align with pins inside the lock. When the correct key is inserted, the pins are lifted to the right height, allowing the lock to be turned and opened. This mechanism ensures that only the correct key can operate the lock.
hit scroll lock and again and it will go off push the scroll lock key on the upper right of your key board
On an Acer aspire laptop, the scroll lock is on the F12 key. In blue letters it says Scr Lk, whihc , means scroll lock.
On this system the scroll lock is on the function key that is F12
The scroll lock on a Toshiba laptop computer can be found in the upper right-hand corner of the keyboard. Depress the scroll lock key to turn it on.
the scroll lock button on my fujitsu laptop is to hold the function button, and press the Number Lock button
The scroll lock key is located usually on the keyboard, mainly somewhere on the top or lower right.Original Answer: (from wikipedia)The Scroll Lock key was meant to lock all scrolling techniques, and is a remnant from the original IBM PC keyboard, though it is not used by most modern-day software. In the original design, Scroll Lock was intended to modify the behavior of the arrow keys. When the Scroll Lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor. In this usage, Scroll Lock is a toggling lock key like Num Lock or Caps Lock, which have a state that persists after the key is released.
The scroll is locked.
num lock, caps lock, scroll lock
Somehow my scroll lock key went on...(my son maybe?) I have no idea how to turn it off. I have an HPkeyboard. Can anyone advise please?
You must have the Scroll Lock on. Press the Scroll Lock key to turn it off.
You go to Extras> Scroll down and press Screen Lock>
nothing your doomed