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TONE TONE TYPE
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Note: Tones 1, 4, 5 and 7 are EN54-3 approved tones.
©2020 EMS Ltd. All rights reserved
TONE DESCRIPTION / APPLICATION
970Hz
800Hz/970Hz at 2Hz
800Hz - 970Hz at 1Hz
970Hz 1s OFF / 1s ON
970Hz, 0.5s / 630Hz at 1 Hz
554Hz, 0.1s / 440Hz, 0.4s (AFNOR NF S 32 001)
500 - 1200Hz, 3.5s / 0.5s OFF (NEN 2575:2000 Dutch slow whoop)
420Hz 0.6s ON / 0.6s OFF (Australia AS1670 Alert tone)
1000 - 2500Hz, 0.5s/ 0.5s OFF x 3/1.5s OFF (AS1670 Evacuation)
550Hz / 440Hz at 0.5Hz
970Hz, 0.5s ON / 0.5s OFF x 3 / 1.5s OFF (ISO 8201)
2850Hz, 0.5s ON / 0.5s OFF x 3 / 1.5s OFF (ISO 8201)
1200Hz - 500Hz at 1Hz (DIN 33 404)
400Hz
550Hz, 0.7s / 1000Hz, 0.33s
1500Hz - 2700Hz at 3Hz
750Hz
2400Hz
660Hz
660Hz 1.8s ON / 1.8s OFF
660Hz 0.15s ON / 0.15s OFF
510Hz, 0.2s / 610Hz, 0.2s
800 / 1000Hz 0.5s each (1Hz)
250Hz - 1200Hz at 12Hz
500Hz - 1200Hz at 0.33Hz
2400Hz - 2900Hz at 9Hz
2400Hz - 2900Hz at 3Hz
500 - 1200Hz, 0.5s/ 0.5s OFF x 3/1.5s OFF ( AS1670 Evacuation)
800Hz - 970Hz at 9Hz
800Hz - 970Hz at 3Hz
800Hz, 0.25s ON / 1s OFF
500Hz - 1200Hz, 3.75s / 0.25s OFF (AS2220)
Page 26 of 36
**Default fire tone**
**Default information tone**
MK349-0001-99 (Issue 1) 22/10/2020 AJM
3 3
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