Mk2 Audio Visual Indicator

Providing both visual and audible warning, the Mk 2 Audio Visual Indicator (AVI) sign is ideally suited for gas suppression installations where occupants need precise and accurate warning.

The AVI is an illuminated warning sign that produces distinct audible and visual indication. It is designed for use with fire alarm or gaseous fire extinguishing systems, or in other applications where clear audio-visual warning is required. When activated, the AVI’s internal LEDs illuminate the faceplate lettering and the internal loudspeaker produces audible warning signals.


  • ISO 8201 Evacuate tone
  • AS2220 Alert and Evacuate tones
  • Designed to comply with AS 1603.11
  • General purpose “RH3” tone
  • Stepped Alert tone to reduce discomfort when an alarm is initiated
  • Optional synchronisation between units
  • Very low current consumption
  • Bright, even illumination
  • Red or yellow LED versions(LED colour determines lettering colour)
  • Field configurable
  • 2-wire or 3-wire operation
  • High text visibility when activated, low when LEDs are off
  • Range of standard faceplates available
  • Separate top and bottom sections for 2 stage or alternate warnings
  • Two part unit with snap-on cover is easy to install
  • Ceiling or wall mounting

Fire Suppression Enquiry

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