Cannot Read Property 'x' of Undefined Mysql Null
If you have problems with your vision or would like to take your Mac read stuff on your screen to you, and then you lot tin have information technology exercise so in just a few simple steps using the VoiceOver utility.
The VoiceOver utility is used to read screen contents such equally windows and menus, so you know what is on the screen and you tin control your computer using the keyboard. To access the VoiceOver Utility, you need to open the Accessibility options plant in the System Preferences.
Once open, click on "VoiceOver" to admission the utility.
VoiceOver can also be toggled on or off using the keyboard shortcut "Command+F5". When yous first open VoiceOver, an introductory screen volition appear and the narrator's voice will describe what VoiceOver does. You lot tin disable this screen by ticking "Practise non show this message again". Then, in the future, yous can turn VoiceOver on chop-chop just by pressing Command+F5.
When you are using VoiceOver, the narrator will describe each element of the screen yous are currently accessing. For example, in the following screenshot, we encounter that we're on a table. If we desire to enter this table, we would utilise the keyboard shortcut "Control+Option+Shift+Downwards Pointer".
Whenever you lot move from ane element to some other, a respective textual description will appear in the lesser-left corner of the screen and the contents will be narrated.
If you want to larn the ins and outs of the VoiceOver assistant, then you should click on "Open up VoiceOver Training…" to kickoff the VoiceOver tutorial.
Y'all will be able to footstep through the VoiceOver tutorial by using the left and right arrows located on you keyboard. Simply keep in mind that, if you do move forward to the next screen and then become back, the screen contents will exist read to yous from the very beginning, so make sure it is done reading everything to y'all earlier advancing.
With VoiceOver on, y'all can now navigate your computer and will exist told what screen element you're on, what it does, says, and how to interact with it. For instance, when you visit a webpage, VoiceOver will tell your where you are on the webpage, and what keys to use to navigate it. To turn VoiceOver off, just use the keyboard shortcut "Command+F5" again.
The VoiceOver Utility
When y'all admission the VoiceOver assistant from the Accessibility preferences, you lot can click the option to open the VoiceOver Utility, which volition let you access an array of configuration options.
To begin, at that place are the General options, which will but permit you ascertain a greeting for the VoiceOver utility to speak subsequently you log in. Additionally, y'all tin decide which modifier keys to employ for VoiceOver, and whether VoiceOver is immune to be controlled with AppleScript.
One of the more interesting options are for the portable preferences, which will allow you save your VoiceOver options to a portable drive and so you can have them with yous and use them on another Mac.
The next pick is to ascertain verbosity. Past default, the speech verbosity is prepare to "High". If you perform repetitive activities and feel VoiceOver talks also much, then you tin plough the verbosity down.
Checking out the options for "Text", y'all see how the VoiceOver Utility will function when dealing with text. For instance, when you type, it will speak characters and words, read numbers as digits, and so forth.
On the "Announcements" tab, the VoiceOver Utility will announce events such as when the Caps Lock fundamental is pressed, speak text in dialog boxes, and many other items. You're probably beginning to now see why in that location'southward an option to have your VoiceOver configuration with y'all. In that location are a lot of options!
The Voice communication options are next. Here you volition be able to adapt which vocalization you hear, and how yous hear it. There are means to adjust charge per unit, pitch, volume, and intonation. This is highly useful if you feel VoiceOver phonation speaks too quickly
On the "Pronunciation" tab, you'll be able to ascertain how the VoiceOver Utility describes certain text elements like emoticons and punctuation symbols.
The "Navigation" items are fairly simple. With these yous will exist able to dictate how VoiceOver tells y'all where yous are, such as if the VoiceOver cursor follows insertion point, or vice-versa, then forth.
The web section handles all aspects of Cyberspace browsing, such as Navigation, Folio Loading, and something called Web Rotor, which basically lets yous bicycle through elements on a webpage using your arrow keys.
Next, we have the Sound particular, which as you might have guessed, handles aspects of your computer's sound with regard to the VoiceOver Utility.
You lot can mute sound effects when the VoiceOver Utility is active, enable audio ducking, which means that if you lot're listening to something like a vocal or podcast, it will automatically become quieter and let the VoiceOver Utility to be heard.
Finally, you can enable or disable positional audio, and choose your output device, which is probable to be your Mac'south internal speakers past default.
Next are the Visuals options. But, these will permit you to take control of how the VoiceOver Utility shows screen elements, such as the VoiceOver cursor, the size and transparency of the Explanation Panel, whether or not to brandish the Braille Panel, and more.
The side by side particular in the VoiceOver Utility are the Commanders.
With commanders, you can assign commands to gestures, be they on the trackpad, number pad, or keyboard. Y'all tin can too assign single Quick Nav keys to bind to commands.
The Braille options volition simply exist applicative if you lot accept a Braille Brandish connected, but suffice to say, here you volition be able to show eight-dot braille, use automated braille translation, then forth.
Finally, the last option in the VoiceOver Utility settings will let you lot ready activities so that VoiceOver is customized for specific uses.
So, yous tin prepare up an activity to piece of work with certain apps, system preferences, websites, and choose the verbosity, web settings, and hot spots. The appeal of this is that information technology will let y'all tailor how the voice speaks at what charge per unit for certain activities. Y'all might want the voice to speak chop-chop and minimally on organisation preferences, but then become more than slowly and thoroughly on webpages. Setting up activities then volition allow you to do that rather than using the VoiceOver assistant in the aforementioned mode for every single window, app, and website.
VoiceOver on Bone Ten can be considerably useful for non only assisting individuals with poor eyesight, merely fifty-fifty those who simply want their computer to read text to them so they can concentrate on other tasks. If you think you'd like to use the VoiceOver assistant or simply need to, we recommend you have the time to familiarize yourself with it and even go through the Voiceover assistant described earlier.
Source: https://www.howtogeek.com/237084/how-to-have-os-x-read-your-screen-to-you-with-voiceover-assistant/
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