ACTION

SHORTCUT KEY

Zoom Off

Alt + Del

Zoom On

Alt + Insert

Menu On / off

Alt + Insert / Escape

Increase magnification

Alt + Plus

Decrease magnification

Alt + Minus

Scroll Right

Alt + Right arrow

Scroll Left

Alt + Left Arrow

Scroll Up

Alt + Up arrow

Scroll Down

Alt + Down arrow

Pause/Continue

Spacebar

NOTE: Press arrow keys slowly for slow scrolling and fast for fast scrolling

Window Menu

Full or lens

Options Menu

Colour invert

Options Menu

Hotkeys

Doc Reader On/ off

Shift + Control + R / Escape