Three-Line Changeable Message Sign

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  • Under 3000 pounds, can be towed by most vehicles
  • Standard 2-inch ball coupler tow-hitch
  • Hydraulic lift allows one person to easily raise and lower the message board
  • Tower rotates 360 degrees for optimal positioning
  • Single disk brake holds board in place during operation, while a cradle supports and holds board in travel position
  • Self-contained onboard computer, no laptop required
  • Easiest programming in the industry
  • Preprogrammed text messages and arrows
  • Quick-reference instructions silkscreened on control panel, include most commonly performed tasks
  • Easily center each line of text
  • Internal clock facilitates built-in schedule programming
  • Optical lenses and sunshades increase visibility and performance
  • Wide footprint provides stability in high wind, while optional outriggers add even more support
  • Multi-level password protection limits access to control software
  • Control box can be locked to prevent unauthorized access
  • Standard QWERTY keyboard is easily replaced
Power System
  • Energy-efficient operation results in long run times
  • Solar panels charge batteries automatically without intervention
  • Computer shuts down solar-panel charging system when batteries are fully charged, preventing damage
  • Unique system allows charging with solar panels and commercial power
  • Cooling fans protect sign cabinet and battery charger from overheating
  • Battery box can be locked to prevent unauthorized access
  • Individual character modules can be replaced easily
  • Standard 15-inch trailer tires
  • Heavy-duty bolt-on steel fenders can be replaced if damaged
  • Durable powder-coat finish resists the elements
Standards compliance
  • NTCIP compliant
  • Meets MUTCD
  • AASHTO (NTPEP) tested
DIMENSIONS — inches (cm)


Approx. 2640 lbs. (1193 kg)


Trailer:                          MIG-welded, 2 x 3-inch steel tubing

Sign cabinet:                 Aluminum sheet

Coating:                        Powder-coated and oven-baked
Axle assembly:              3500-lb. capacity
                                     4-inch drop axle
                                     5-hole 4.5-inch bolt circle pattern on idler hub
                                     Double eye leaf springs

Tires:                            ST205/75 D15


Resolution:                   Four amber LED's form each pixel

Character Size:            5 pixels wide, 7 pixels high

Characters:                  3 lines, 8 characters per line


Batteries                      Six 6 V dc deep cycle golf cart-type, wired in series and parallel
                                    for 12 V dc power supply

Battery capacity           675 Ah total

Optional Solar Panels:  One 130 W and one 85 W

  • Product #: CMS_3_Line-Full

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