Key

Action

Up Arrow

Scroll down one line step

Down Arrow

Scroll up one line step

Right Arrow

Scroll left one line step

Left Arrow

Scroll right one line step

Page Up

Scroll down one page

Page Down

Scroll up one page

Ctrl + Page Up

Scroll to bitmap top

Ctrl + Page Down

Scroll to bitmap bottom

Ctrl + Home

Scroll left one page

Home

Scroll to bitmap left

End

Scroll to bitmap right

Ctrl + End

Scroll right one page

+ (Plus)

Zoom in

- (Minus)

Zoom out