MATRIX 320 RECOMMENDED ILLUMINATION
PRODUCT REFERENCE GUIDE   
181
MATRIX 320 RECOMMENDED ILLUMINATION
In the following table these macro-cases are listed, each of them highlighting the most
suitable  Matrix  320  lighting  system  used  to  resolve  the  application  with  a  Standard
cover (STD.) with white/blue/red illuminator, a polarizer (PLZ.) with white/blue/red illu-
minator, and the LT-51x external red illuminator. 
Legend:
Application 
Characteristics
STD. 
cover 
with 
white ill.
STD. 
cover 
with 
blue ill.
STD. 
cover 
with
red ill.
PLZ. 
cover 
with 
white ill.
PLZ. 
cover 
with 
blue ill.
PLZ. 
cover 
with
red ill.
LT-51x 
ext. 
red ill.
Printed codes on opaque 
paper or labels having a 
flat surface
Laser Etching or Ink Jet 
code marking on an 
opaque, flat surface hav-
ing no evident machining 
flaws
Code marking on an 
opaque, rough surface
Code marking on a flat 
surface with evident 
machining flaws produced 
by machining tools
Laser Etching or Dot 
Peening code marking on 
a flat, highly reflective sur-
face
Code marking on a curved 
background
Red-printed code on white 
background
Mixed color 
codes/background
Havana background on 
cardboard
Code under plastic film or 
glossy surface with 0 skew
Suggested Compatible Not recommended