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The MirageOS User's Manual


Options Screen & Items :  General Usage & Keys


The Options Screen of MirageOS is an important aspect of our shell since it gives the user the ability to change many different settings, and access several of the features we have created. The user can toggle various options, each of which have different functions, and Information about these option items can be found in other Options sections of this User's Manual. The Options Screen is divided into five different categories of options that the user can goto, grouped by the similar topic, which you can see from the screenshot to the right. Below you will find information about the General Usage of the Options Screen, and what each of the Keys do throughout this part of our shell.
   

Options Screen Main Menu:

In order to reach the Options Screen from the Program Manager and most GUIs, you should press the ALPHA key, and the screen that comes up will be the Options Main Menu. Here you can select a category of options to enter, and a Highlighting Cursor will allow you to move up and down through the choices. These categories, which can be viewed from the screenshot above, are also listed here:
             MirageOS Main Options
             Set System Interface
             Password Protection
             Tasker And Key Hooks
             Miscellaneous Options
Be sure to visit the other pages concerning the Options Screen, of this User's Manual, in order to find out more details on all these different categories, the options they contain, and comprehensive information about those options.


Main Menu Keypress Information:

ARROWS:      Moves Cursor Up and Down through the list of
             Options categories. The cursor will halt at the
             top/bottom of the list, and not wrap around.

ENTER/2ND:   Chooses the currently selected category to enter.

MODE:        Exits MirageOS back to the TI-83 Plus Homescreen.

ALPHA:       Exits the Options Screen back to the Interface.

PLUS:        Increases the current Contrast Level setting.

MINUS:       Decreases the current Contrast Level setting.

CLEAR:       Exits the Options Screen back to the Interface.

ON:          Shuts Down the calculator temporarily. Press ON
             again to turn the calculator back on and resume
             in the shell.

Option Items/Commands Lists:

Upon choosing an Options category from the Main Menu, you will be taken to another screen that displays a list of Option Items in that category, some of which can be toggled On or Off, and others that are Commands that process functions. From these screens you control an Arrow Cursor that moves up and down, and points to the current Item/Command you want to toggle or execute. The state of an option is noted by having an 'x' in their corrosponding boxes to the right side, and the box will be empty if that option is not activated. Some of the option items are set to being On by default, giving an 'x' in their box, and others are Off by default. The ones that start by being On are ones are ones we feel most beginning users would need to have enabled, and once the user learns more about the options, they can turn on others, or disable some that are On by default. Below is a list of the keypresses used during the Option Items/Commands Lists, which are slightly different than those used on the Options Main Menu.


Option Lists Keypress Information:

ARROWS:      Moves Cursor Up and Down through the list of
             Options Items/Commands. The cursor will halt
             at the top/bottom of the list, and not wrap
             around.

ENTER/2ND:   Toggles current Item or executes current Command.

MODE:        Exits MirageOS back to the TI-83 Plus Homescreen.

ALPHA:       Exits the Options Screen back to the Interface.

PLUS:        Increases the current Contrast Level setting.

MINUS:       Decreases the current Contrast Level setting.

CLEAR:       Exits back to the Options Screen Main Menu.

ON:          Shuts Down the calculator temporarily. Press ON
             again to turn the calculator back on and resume
             in the shell.
NOTE: In the "Set System Interface" and "Password Protection" sections of the Options Screen, there are more particular keypresses involved, than what is described above. These aspects will be explained in those specific parts of the User's Manual.


Storing Option Data/Settings:

The states of every option and setting in the Options Screen are stored into the AppVar used by MirageOS. In order to preserve the options you have set and customized for yourself, you should Not delete the AppVar named "MirageOS", and should leave it archived into Flash memory for safe keeping, incase there is an accidental Ram Clear. Our shell does not update the AppVar into FlashROM after every option change though, but collectively after each time that you leave the Options Screen and the shell has detected you have altered any setting. Whenever the AppVar is deleted, or System Defaults are Reset, all of the option settings will go back to the way they were upon the first start-up of MirageOS. For more information about the AppVar usage and our awareness to protect the FlashROM as much as possible, visit the Memory Management section of the User's Manual.


Option Changes Taking Effect:

Most of the items that the user can alter from the Options Screen do not take effect or activate until the user exits the Options Screen, and some of these aspects are only apparent in specific parts of the shell. Changing some of the settings in the Main options, and changing the current interface, will cause the shell to restart itself, but this change is not apparent until you press ALPHA or CLEAR to return to the interface. Most of the settings in the Tasker And Key Hooks category will not be apparent until you use those features in the TI-OS, and several other settings from the Password Protection and Miscellaneous Options will not show their effects until the particular processes are carried out from MirageOS after leaving the Options Screen.


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Last Modified: 2002-09-03 22:05:53 GMT