Symbol Technologies DS 3408 - Manual (Page 385)

GL-9
Vertical Bar Code A bar code pattern presented in such orientation that the symbol from start to
stop is perpendicular to the horizon. The individual bars are in an array
appearing as rungs of a ladder.
Visible Laser Diode (VLD) A solid state device which produces visible laser light.
Wand Scanner A handheld scanning device used as a contact bar code or OCR reader.
Wedge A device that plugs in between a keyboard and a terminal and allows data to
be entered by a keyboard or by various types of scanners.
X Dimension The dimension of the narrowest bar and narrowest space in a bar code.
Y Dimension The height of the modules in a row of a 2-dimensional (2D) symbols.