D900-24-00 2 I56-0936-003R
Chime Selection
Chimes are factory set for high volume, 1.0K repeating 1 second
chime. Tones may be selected by making the appropriate settings
on the DIP Switch located on the printed circuit board. The set-
tings required for the available tone options are as follows:
Table 1: SpectrAlert Chime Switch Settings
Switch
1=on 0=off
1
2
3
4
Hz
Type
1
1
1
1
1.2k
Repeating 1-Second Chime
1
0
1
1
1.0k
1
1
0
1
0.8k
1
0
0
1
1.2k
Repeating
1
/
4
-Second Chime
1
1
1
0
1.0k
1
0
1
0
0.8k
1
1
0
0
1.2k
Temporal 3 Chime
1
0
0
0
1.0k
0
1
1
1
0.8k
0
0
1
1
1.2k
Single Stroke Chime
0
1
0
1
1.0k
0
0
0
1
0.8k
0
1
1
0
3.0k
Electromechanical Continuous
0
0
1
0
3.0k
Electromechanical Temporal 3
0
1
0
0
0.5k
Electromechanical Continuous
0
0
0
0
0.5k
Electromechanical Temporal 3
Volume Switch
5
6
0
0
LOW
1
0
MED
1
1
HIGH
SpectrAlert Electronic Chime Current Draw*
8-33VDC: 10–61mA
*Average current draw varies with tones selected. Current ratings per System Sensor testing at 12VDC and 24VDC. Add current values when connecting in parallel.
Table 2: SpectrAlert Electronic Chime Sound Output Guide
Tone
8 Volts
12 Volts
24 Volts
33 Volts
Low
Med.
High
Low
Med.
High
Low
Med.
High
Low
Med.
High
1.2K Repeating 1-Second Chime
51
52
55
53
54
56
57
61
52
59
61
64
1.0K Repeating 1-Second Chime
48
50
54
51
52
54
54
57
60
57
60
62
0.8K Repeating 1-Second Chime
47
47
53
49
51
52
53
55
58
55
58
60
1.2K Repeating
1
/
4
-Second Chime
53
54
58
55
57
59
59
61
64
61
63
66
1.0K Repeating
1
/
4
-Second Chime
49
50
54
51
53
54
55
57
60
57
59
62
0.8K Repeating
1
/
4
-Second Chime
48
50
53
50
52
53
54
56
59
56
58
61
1.2K Temporal 3 Chime
51
52
56
52
54
55
55
57
61
58
60
63
1.0K Temporal 3 Chime
48
49
54
49
51
51
53
55
58
55
57
60
0.8K Temporal 3 Chime
46
47
51
48
50
51
52
54
57
54
56
59
1.2K Single Stroke Chime
52
53
58
52
54
56
56
58
62
58
60
64
1.0K Single Stroke Chime
47
48
53
50
51
59
53
55
58
56
58
62
0.8K Single Stroke Chime
47
48
53
49
50
52
54
56
60
56
59
61
3.0K Continuous Electromechanical
56
57
61
59
60
67
65
68
70
68
70
74
3.0K Temporal Electromechanical
51
52
56
53
54
61
56
59
62
58
60
64
0.5K Continuous Electromechanical
48
49
53
51
52
56
54
57
60
56
55
61
0.5K Temporal Electromechanical
45
47
51
47
49
53
51
52
58
52
54
60
NOTE:
Factory default setting is 1.0K Repeating 1 Second Chime set at High volume.
SpectrAlert Chime Tones
Repeating 1-Second Chime
Repeating
1
/
4
-Second Chime
Temporal 3 Chime
Single Stroke Chime
Continuous 500Hz Electromechanical and 3kHz Electromechanical
Temporal 500Hz Electromechanical and 3kHz Electromechanical
Scale:
1 second
Table 3: Strobe Current Draw Measurements
NOTE:
All models were only tested at the 16-33 Volt-FWR/DC limits. This does not include the 80% low-end or 110% high-end voltage limits.
Model No.
Candela Setting
FWR Operating
Current–Strobe
(mA RMS)
DC Operating
Current–Strobe
(mA RMS)
CH24MC
Chime/Strobe
15
84
59
15/75
74
69
30
93
90
75
158
160
110
208
209
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