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Tactical Display for Soldiers Human Factors Considerations (1997) / Chapter Skim
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8 RECOMMENDATIONS
Pages 184-188

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From page 184...
... MAJOR RECOMMENDATIONS The panel's overarching conclusion, after reviewing the available Land Warrior specifications and the existing human factors research findings that apply to those specifications, is that the proposed monochrome, low-resolution monocular as compared to a binocular display will, in most situations, degrade performance in the field and may have unacceptable implications for training and selection. RECOMMENDATION 1: The Army should proceed in an experimental mode, comparing the positive and negative performance implications of the monocular helmet-mounted display with alternative technologies.
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From page 185...
... RECOMMENDED RESEARCH AGENDA The proposed Land Warrior System can be a valuable research tool, if the Army takes an experimental approach to its development. If put into the hands of users in a experimental mode, the Army can establish baseline data and threshold values for future developmental efforts.1 1A 1996 report from the General Accounting Office concludes that several human factors issues associated with the Land Warrior System are not yet resolved (U.S.
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From page 186...
... 2. Threshold values are needed for screen clutter, gray scale, limits of spatial and temporal resolution, the impact of visual acuity differences in soldiers, shortterm memory limits in processing the information, individual susceptibility to various levels of incapacitation associated with visual rivalry, depth cues, field of view (versus resolution)
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From page 187...
... The benefits claimed for the Land Warrior System involve the use of the unaided eye at night as a baseline for comparison not the unaided eye during the day or with night vision goggles. Comparisons of the Land Warrior monocular system should be made with the existing biocular night vision goggles worn by infantry soldiers and the binocular night vision goggles worn by aviators.
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From page 188...
... 4. Spatial, topographic, and positional information should be presented by graphics that have been well learned by soldiers (e.g., standardized map symbols)
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Key Terms

  • night vision
  • situation awareness
  • infantry soldier
  • vision goggles
  • threshold values

  • depth information
  • goggles worn
  • digital data
  • cognitive workload
  • alternative technologies

  • visual depth
  • challenges associated
  • monocular display
  • experimental mode
  • local situation

  • head movements
  • unaided eye
  • design guidelines
  • display technology
  • considered accurate

  • aviation environment
  • valuable research
  • substantial amount
  • future developmental
  • technology proposed

  • screen clutter
  • normal communications
  • infantry environment
  • potential increase
  • infantry soldiers


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