1. Prepare to use optical measuring instruments
   • Obtain approval for site access with customer or site owner prior to site entry
   • Identify purpose of test and type of optical measurement required
   • Select appropriate tools and instruments according to required measurement
   • Check test instruments to ensure calibration is within acceptable time frames
   • Identify safety hazards, assess risks and implement risk control measures in consultation with appropriate personnel
2. Conduct optical measurements
   • Set up test equipment according to manufacturer and enterprise instructions, and safe industry practices
   • Test optical patch cords are functional
   • Inspect and clean optical connectors
   • Use appropriate testing techniques to assess overall system performance
   • Record and interpret test results, and compare with standard test specifications
3. Complete optical measurement process
   • Make recommendations, based on test result interpretations, to achieve optimum performance
   • Notify customer of work completion
   • Clean work area and make safe according to enterprise procedures

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. It is restricted to essential operating conditions and any other variables essential to the work environment.