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Sound
Horizontal
intensity
15°
45°
0 (max.)
90
97
1 (mid.)
82
88
2 (low)
70
77
Horizontal
Sound
intensity
15°
45°
0 (max.)
90
93
1 (mid.)
80
83
2 (low)
70
75
9.2 Beam characteristics of the additional optical
Building Technologies
Fire Safety
Tone No. 10: Slow-whoop Sweep-up, linear
75°
105°
135°
100
100
97
92
92
88
79
79
76
Tone No. 11: Intermittent
75°
105°
135°
98
99
92
89
89
88
76
76
75
indicator
The zero point (0°) relates to the triangular mark on the base of the alarm sounder
FDS229. Values for azimuth angle and elevation angle >90° derive from the
rotational symmetry.
Representation of the zero point of horizontal and vertical angles
1 Azimuth (horizontal angle)
Beam characteristics of the additional optical indicator
Vertical
165°
15°
45°
91
90
97
82
81
88
71
70
76
Vertical
165°
15°
45°
91
90
92
81
81
84
72
72
75
2 Elevation (vertical angle)
Annex technical data
75°
105°
135°
99
99
96
90
90
86
79
78
76
75°
105°
135°
97
99
93
86
86
84
76
77
75
010095_j_en_--
9
165°
90
82
70
165°
91
81
72
43
2013-02-22
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