Section 4 – CDX Audio/Visual Alarm Range

This section of the CDX course focuses on those devices that provide audible or visual signals of an alarm condition, to warn the occupants of a building and aid in evacuation. Some products provide both an audible and a visual signal.

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What’s Covered:
  • VADs and EN54 Part 23
  • CHQ-AB
  • CHQ-CB
  • CHQ-WB
  • CHQ-WS2
  • CHQ-WSB2
  • YBO-BS
  • YBO-BSB2
Time Required:
  • 7 minutes to complete this section.