# Presentation Mode

Under Presentation Mode, dvi files are displayed on the whole screen with no frame. The shape of mouse cursor is normally an arrow in this mode. [ESC] key is the switch to move to or quit from this mode. The mouse coursor is only displayed when it is moved.
One of the followings is indicated as Presentation type:
general screen: general background and sheet(default)
white screen: white background and sheet, black letters
black screen: black background and sheet, white letters
white background: white background
black background: black background
Execpt for the case under general screen, white screen or black screen, the screen may flickers by the page jump or the usage of Loupe.
Under Presentation Mode, Display -> Size -> Fit, Full([5], [6] key in default) will be performed exactly both by shrinking with gray scale and by shrinking/enlarging with -e: and -varf: In this case, the usage of the TrueType fonts may be better in place of PK fonts.
Use Presentation -> Cut edge to cut spaces around the edges of the pages. Display -> Region -> On, Cut and Option -> Setup parameters -> [Paper] are also useful for this purpose.
In the presentation, for example, check View -> Seamless Hyperjump, push [ESC], use the above Fit or Full.
Checking Display -> Y-two pages, one can seamlessly and vertically scroll pages. It will be used under Dipllay -> Full.
One can draw lines by the mouse (cf. Key on Presentation).
By cover sheet, one can hide some part of sheet and move it by the mouse. pause special can be used for this purpose.
In a presentation proceeded by [Space] key, one can dinamically hide or replace some parts of a sheet by dviout specials `+<levels>.
By SHIFT+F1 the list of Key functiuons is shown.
By SHIFT+F12 allows to set the functions (move pages/draw lines/cover sheet) using Menu.
Moreover the usage of Display -> cross pages, 16 pages ([8], [9] key in default) is usefull. In this case, the page clicked by the right button of the mouse will be dispalyed in the normal size.
One may also use dviout specials in HyperTeX specials.
Remark: When one moves into Presentation Mode, the value of -cmode: changes into replace(def) if it has been auto mode(p2). On the oher hande, when one quits from Presentation Mode, the values of the parameters -BMP: -e: -varf: -cmode: recover even if they change in Presentation Mode.
The default setting of the Presentation Mode can be changed and saved by Presentation Menu.