E2S Warning Signals Impress House, Mansell Road, Acton, London W3 7QH Sheet 2 of 4 e2s.com D221
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IS Issue 5 25/09/2023
P2
P3
P2
P3
Default = S2
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Tone 1
Default = S1
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Tone 44
(ON = 1, OFF = 0)
(AC & DC, See D221
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95
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001)
L/+
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C
S2
S3
S2
S1
AC
(DC
See D221
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305
L N E
E N L
S1
+
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S2
S3
S2 S1
DC
See D221
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06
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301
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E
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L N
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