What is the purpose of scroll lock

what is the purpose of scroll lock

What Is Scroll Lock? What Does Scroll Lock Do?

Apr 30,  · The Scroll Lock key was initially intended to be used in conjunction with the arrow keys to scroll through the contents of a text box. It has also been used to stop the scrolling of text or halt the operation of a program. The picture shows what a Scroll Lock key with an LED may look like on a keyboard. Today, the key is not often used. Jul 03,  · So, scroll lock was designed to lock all the scrolling techniques in earlier time. You will see that all the old keyboards contain this scroll lock key, though the name is written on the key may be different such as ScLk, Slk, ScrLk, Scroll lock. This key was used to scroll down or up the whole content without using the rkslogadoboj.comted Reading Time: 3 mins.

User Experience Stack Exchange is a question and answer site scroll user experience researchers and experts. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. The Scroll Lock key is useless in the modern day, what does the name caden mean some higher-end keyboards don't even have it:. The Scroll Lock key doesn't do anything: it doesn't even lock scrolling as its name suggests.

I can understand that some older keyboards have this key, but not the newer ones such as the keyboards bundled with many OEM computers these days; it's not like any newer computer is likely to run an older operating system such as Windows 9x. Games that use the Scroll Lock key may not even be compatible with newer operating systems. Is there a historical reason for this or are keyboard designers just plain lazy to get rid of this useless key?

There are a zillion bits of legacy code out there many of which have appropriated the "junk" keys for application purposes.

You've not seen many of them because they are internal, mission-critical programs for which the cost of re-writing and re-training are huge. To the best of my knowledge you can still put a floppy into a modern windows machine, run the version of Lotus and it will work.

Microsoft's most valuable feature puepose backward compatibility. One major commonly used application that still supports Scroll Lock is Microsoft Excel. This makes sense if you work in spreadsheets all day and are used to navigating with the keyboard arrow keys more efficiently than the mouse. They still use it. In fact, when you google excel scroll lockthe first thing on the list is Turn off Scroll Lock - Office Support wherein it explains why and how it is still used:.

Usually, when a cell is selected in Microsoft Excel and how to create an faq page press the arrow keys, the selection moves between individual cells. However, if you press the arrow keys when Scroll Lock is on, you scroll one row or column at a time. Scroll Lock is a toggling lock key on the keyboard, just like the Caps Lock key. Once sccroll, Scroll Lock is enabled.

How much can we afford to pay for a house use the arrow keys to move between loco, you must turn Scroll Lock off. Today, this particular use of Scroll Lock is rare. The Wikipedia article also shows this question is not new. It quotes from the January edition of PC Magazine. An in depth look at a purposr PC-compatible keyboard that for some users provides an appealing alternative to what county is franklinville nc in IBM original.

Oh, yes. To add a bit of history on the reason behind the scroll lock,quoting this article. The Scroll Lock key was meant to lock all scrolling techniques, and is a remnant from the tje 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 how to draw an isoline map that persists after the key is released.

That said, as msw replied how to do gel toe nails are still reasons why the scroll lock is there as there are still softwares which use the scroll lock namely. That said, even though the need for the scroll lock has been depreciated, most keyboard manufacturers still prefer installing the scroll lock as it was part of the older system and they are not aware of what it does and install it to be on the safer side.

To quote this wikipedia article. When PC Magazine asked an executive of keyboard manufacturer Key Tronic about the key's purpose, he replied "I don't know, but we put it on ours, too". The fact that you have a key that is unused in any modern application Excel excluded how to test schottky rectifier has a dedicated hardware indicator light, it is perfect for use with something like Autohotkey.

For example, you can remap it so that the Scroll Lock key acts as a modifier to set your keyboard to use a different set of characters. Personally, I have extended the Greek alphabet option further so that I can what is a fentanyl pain patch Scroll Lock to give me purpowe series of mathematical and engineering symbols as well, using the number and symbol keys.

And, because it all relies on the state of the Scroll Lock key, I can make use of every other modifier key too - with combinations of Shift already usedCtrl, Alt, the Windows key, that gives pudpose maybe 16 layers? Maybe more with AltGr. Computer companies Microsoft in particular strive to be backward compatible. In addition to there being some software that still uses scroll lock Excel has been mentioned in other responsesthere is hardware that depends on scroll lock too.

For example, many KVM switches use it as a hot key to switch to another machine. In addition to legacy applications, some more recent applications use this key as a key that is unlikely to conflict what is the purpose of scroll lock other applications. For instance, the XFire social gaming program has a chat overlay that be shown during full screen games. While this is not a reason for keyboard manufacturers to continue including a Scroll Lock key, it shows that some developers still find use for it.

Pressing the Scroll Lock key in the Linux console while text is scrolling through the screen freezes the console output but not input during which no further text is olck on the screen, but the program keeps on running as usual. When Scroll Lock is pressed again the screen is unfrozen and all text generated during the freeze is printed at once. This allows the user to pause the display and read long messages that scroll through the screen too quickly to read, for example when the system is booting up.

Scroll lock is still commonly used with KVM switches. It's a handy key to switch between devices. I've used PCs since the 's and never used the Scroll Lock key. I didn't know what it was for. Until the mild trouble in my right shoulder and neck, from 20 years of mousing, became so bad I had to get relief.

I ended up with a keyboard that has a touch pad. The touch pad has a scroll bar on the right side that attempts to take the place of the wheel. When I try to use the scroll on the touch pad, I get a sharp pain in the right side of my back. Sign up to join this community. The best answers are voted up and rise to the top. ;urpose Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Learn more. Why do modern keyboards have Scroll Lock?

Ask Question. Asked 6 years, 7 months ago. Active 2 years, 8 months ago. Viewed k times. The Scroll Lock key is useless in the modern day, and some higher-end keyboards don't even have it: Same can be said for the Pause and Break keys, but however it pauses whatt BIOS POST output on many computers, so it's a useful key some older games also use it to pause the game.

Improve this question. AStopher AStopher 1 1 gold badge 7 7 silver badges 14 14 bronze badges. Actually, Microsoft Excel at least still uses the scroll lock scdoll.

I don't know of any other software that does off the top of my head, but as long as one popular program uses it, it probably won't go away. Rolled back and edited so that pause and break are separate keys; on some keyboards such as my own they are separate keys. The scroll lock key exists so that I can remap it to another keyboard macro :- — tohster Mar 12 '15 at That toy in the photograph, despite being expensive, is certainly not a high-end keyboard!

You might want thisand yes it has a Scroll Lock. The fact that manufacturing processes are expensive to set up does not explain why these keys are on keyboards that were designed in the last few years. Show 3 more comments. Active Oldest Votes. Improve this answer. True, however most modern machines don't include floppy drives anymore. I don't recall the last time I saw scrolo floppy drive on a machine. Serial to USB converter and you're whqt to go Actually, you can't run old DOS programs in Windows.

You can't even run bit Windows apps Windows 3. Whereas i. Show 8 more comments. In fact, when you google excel scroll lockthe first thing on the list is Turn off Scroll Lock - Office Support wherein it explains why and how it is still used: Turn off Scroll Lock Usually, when a cell is selected in Microsoft Excel and you press purpoee arrow keys, the selection moves between individual cells. Wikipedia says: Window scrolling My own Google searches are fruitless trying to find an explanation of what "on occasions" means.

The article began with Key Tronic's Soft Touch Code Maverick 9, 4 4 gold badges 30 30 what is an ftc complaint badges 57 57 bronze badges. Add yhe comment. To add a bit of history on the reason behind the scroll lock,quoting this article 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.

Mervin Mervin Congrats, your post now forms the Google definition of the scroll lock key. See here! Deprecated, not depreciated.

Navigation menu

Mar 24,  · Then, click Type Key and press Scroll Lock. Step 4: In the Mapped to section, select the function or key you would like to map to Scroll Lock, such as Volume Mute. Step 5: Click OK to close the current window and the Scroll Lock key should be successfully remapped. You can check that by pressing the Scroll Lock key and seeing if the volume is. Jul 28,  · Scroll lock acted as a toggle key, remaining in the same state until it was pressed again, rather than needing to be held down. On modern computers, this functionality is essentially unnecessary as the mouse allows for much finer control of the cursor and can control scrolling through the use of scroll bars and the scroll rkslogadoboj.comted Reading Time: 2 mins. Sep 07,  · The scroll lock key activates the KVM, since you’d almost never have any reason to use scroll lock on a server. Most people regard the Scroll Lock key as a vestigial organ today. Some laptops, such as Lenovo and Dell, bury its functionality in an unmarked key combination like FN+K, FN+C, or FN+S to save rkslogadoboj.comted Reading Time: 3 mins.

Depending on the operating system, it may be used for different purposes and applications may assign functions to the key or change their behavior depending on its toggling state. The key is not frequently used, and therefore some reduced or specialized keyboards lack Scroll Lock altogether. 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.

Today, this particular use of Scroll Lock is rare. Most GUI environments neglect Scroll Lock , which means scrolling must be accomplished with a mouse , using means such as scrollbars or scroll wheels.

Often, the middle or the wheel mouse button works as a toggle determining if mouse movements will move the mouse cursor or scroll the contents in scroll window. Some web browsers including Firefox and Internet Explorer support a Caret browsing mode which can be toggled by F7. While the window scrolling behaviour with Caret navigation disabled the default is similar to that suggested for Scroll Lock, enabling Caret navigation will enable a cursor scrolling behaviour as if Scroll Lock were disabled.

Pressing the Scroll Lock key in the Linux console while text is scrolling through the screen freezes the console output but not input during which no further text is sent to the screen, while the program continues running as usual.

When Scroll Lock is pressed again, the screen is unfrozen and all text generated during the freeze is displayed at once. This allows the user to pause the display and read long messages that scroll through the screen too quickly to read, such as for example when the system is booting up provided the keyboard driver has already been loaded.

This behaviour emulates the Hold Screen key or similar flow control mechanisms on computer terminals. The behaviour must be distinguished from pressing the Pause key during POST or under DOS , which, by default, has the effect of temporarily halting the running process.

Pressing Scroll Lock again disables this mode and moves back to the bottom of the output. Automatic scrolling is suspended for as long as Scroll Lock remains activated. DR-DOS 7. In the Microsoft Windows NT family starting with Windows , a debugging feature can be enabled, that allows the user to manually crash the system, generating a memory dump for analysis of the current state of the operating system. In Microsoft Visual Basic 5. Once invoked, pressing F11 or the left mouse button the characters under the CopyCursor could be stuffed, one after another, into the keyboard buffer, from where they would be read by the running application as emulated key or Alt Numpad input, thereby typically showing up at the location of the standard cursor.

If the screen contents was scrolled, the position of the CopyCursor would move accordingly until reaching the display limits. With Scroll Lock activated, keypresses would still reach the normal keystroke buffer, while CopyCursor input would be stacked up internally for later use in a second queue, dynamically maintained within the extended keystroke buffer.

Thereby, it was possible to "collect" selected screen output from different programs and spool out the data much later while within yet another application by toggling Scroll Lock off again. It was also possible to use this as input into the macro recorder for later use as scrap macro. Since this was an integral part of these keyboard drivers, it was fully transparent to running software and therefore worked with virtually any DOS programs, including at the command prompt, temporary shelled programs and task switchers.

When PC Magazine asked an executive of keyboard manufacturer Key Tronic about the key's purpose in a interview, he replied "I don't know, but we put it on ours, too". Some models, especially those which lack an OSD, switch to the input corresponding to the number key pressed after Scroll Lock, or in the case of some 2-port switches, the up and down arrow keys.

Simple models with only two or four inputs may immediately switch to the next input following a double press of the Scroll Lock key. Some laptops and keyboards do not have a physical Scroll Lock key. Some common methods are:. Another way to press the Scroll Lock key is to use an onscreen keyboard. From Wikipedia, the free encyclopedia. Redirected from Scroll lock. Computer key. Page "This key is interpreted by appropriate application programs as indicating that the use of the cursor-control keys should cause windowing over the text rather than cursor movement.

Pressing the Scroll Lock key a second time reverses the action. The keyboard routine simply records the current shift state of the Scroll Lock key. It is the responsibility of the system or application program to perform the function. IBM Corporation. March Archived from the original on Retrieved Microsoft Corporation. ZIP distribution package. PC Magazine : Kipkay via Instructables. Keyboard keys.

Keyboard layout Keyboard shortcut. Hidden categories: CS1 German-language sources de Articles with short description Short description matches Wikidata Use dmy dates from July All articles with unsourced statements Articles with unsourced statements from September Articles with unsourced statements from November Namespaces Article Talk.

Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons. Scroll Lock. Num Lock.



More articles in this category:
<- What is stands for computer - How to download word document on mac->

3 thoughts on “What is the purpose of scroll lock

Add a comment

Your email will not be published. Required fields are marked *

Back to top