AUDIO SIGNALS
E.g. bells, alarms, sirens, radio, drums, loudspeak-er announcements
Ideal for persons with visual impairment. Also useful for other groups
Must be accompanied with training about how to react and support with evacuation
VISUAL SIGNALS
E.g. flags, lights flashing on/off
Ideal for persons with hearing impairment. Also possible for other groups, except persons with visual impairment.
A combination of audio and visual signals is recommended for urgent warnings (e.g. fire alarms).
SIGNS AND GESTURES
E.g. sign language, body language
Possible as support for other methods of commu-nication, if these prove ineffective.
Assess if recipients with hearing impairment are able to communicate through any type of sign language (universal or local).
PRINTED MATERIALS
E.g. posters, leaflets, pictures
Excludes persons with visual impairment.
Keep messages short and simple, and use illus-trations.
If the audience is able to read Braille, consider this as a supplement
