Aetna Digital Tachometers
SWITCH SETTING INSTRUCTIONS
For use by Factory A uthorized Personnel ^ Only
Version ‘-SM'
Version ‘-SH’
PPR
Switch Position
PPR
Switch
Position
1
2
3
A 5
6
7
8
1 2
3
4
5
6
7
8
91
off
on
off
on
on oft
on
on
28
off
off
off
on
on
on off
off
92
off
on
off
on
on
on off
off
29
off
off
off
on
on
on
off
on
93
off
on
off
on
on
on off
on
30
off
off
off
on
on
on
on
off
94
off
on off
on
on on
on
off
31
off
off
off
on
on
on
on on
95
off
on off
on on
on
on
on
32
off
off
on
off
off off
off
off
96
off
on
on
off
off off
off
off
33
off off
on off
off
off
off
on
97
off
on
on
off
off off
off
on
' 34
off
off
on
off
off
off
on
off
98
off
on
on
off
off off
on
off
35
off off
on
off
off
off
on
on
eg
off
on
on off
off
off
on
on
36
off
off
on
off
off
on off
off
100
off.
on on
off
off
on oft
off
37
off
off
on off
off
on off
on
101 off
on
on off
off
on off
on
3B
off
off
on
off off
on
on
off
102
off
on
on
off
off on
on
off
off
off
on off
off
on
on
on
ICG
off
on
on off
off
on on
on
40
off
off
on
off
on off
off
off
104
off
on
on off
on
off
off off
41
off
off
on off
on
off
off
on
105
off
on
on off
on off
off
on
42
off
off
on off
on
off
on off
106
off
on
on
off on
off
on off
43
off
off
on
off
on off
on
on
107
off
on
on
off
on off
on
on
44
off
off
on off
on
on off
off
106
off
on
on
off
on on
off
off
45
off off
on
off
on
on off
on
109
off
on
on off
on
on
off on
46
off
off
on
off on
on
on off
110
off
on
on
off
on
on on
off
47
off
off on
off
on
on
on on
111
off
on
on
off
on on
on
on
43
off off
on
on
off off
off
off
112
off
on
on
on off
off
off off
49
off
off
on
on off
off
off
on
113
off
on
on
on
off off
off
on
50
off
off
on on
off off
on off
114
off
on
on
on off
off
on
off
51
off off
on
on
off
off on
on
115
off
on
on
on
off off
on
on
52
off
off
on
on off
on off
off
116
off
on
on
on
off
on off
off
53
off
off
on
on off
on
off
on
117
off
on on
on
off
on off
on
54
off
off
on on
off
on
on off
116
off
on on
on
off
on
on off
55
off
off
on
on off
on
on
on
119
off
on on
on
off
on
on on
56
off
off on
on
on off
off
off
120
off
on
on
on
on
off off
off
57
off off
on
on on
off
off
on
121
off
on
on
on
on off
off
on
58
off
off
on
on on
off
on off
122
off
on on
on
on
off
on
off
59
off off
on
on
on off
on on
123
off
on
on on
on
off
on
on
60
off
off on
on
on
on off
off
124
off
on
on
on on
on
off
off
61
off
off
on
on on
on off
on
125
off
on
on on
on
on
off
on
62
off off
on
on
on on
on off
126
off
on
on
on
on
on
on off
63
off
off
on on
on
on on
on
127
off
on
on
on on
on
on
on
64
off
on off
off off
off off
off
128
on off
off
off
off
off off
off
off on
off
off off
off off
on
w
129
on off
off
off
off
off
off
on
66
off
on off
off off
off
on off
130
on
off
off
off
off off
on
off
67
off on
off
off off
off on
on
131
on
off
off off
off
off
on
on
68
off
on
off off
off on
off
off
132
on
off
off
off
off on
off
off
69 off
on
off off
off
on off
on
133
on off
off
off
off
on off
on
70
off
on off
off off
on on
off
134
on
off
off
off off
on
on
off
71
off
on off off
off
on on
on
135
on off
off
off
off
on
on on
72
off
on off
off on
off
off off
135
on
off off
off
on
off
off off
73
off
on off
off
on off
off
on
137
on
off
off
off on
off
off
on
74
off
on off
off on
off
on off
138
on
off
off off
on
off
on off
75
off
on off off
on
off on
on
139
on
off
off
off on
off
on
on
76
off
on off
off on
on off
off
140
on off
off
off
on
on off
off
77
off on
off off
on on
off
on
141
on off
off
off
on
on off
on
78
off
on off
off on on
on off
142
on off
off
off
on
on on
off
79
off on
off off on
on
on
on
143
on off
off
off
on
on
on
on
60
off
on off on
off off
off
off
144
on
off
off
on
off off
off
off
61
off on off
on off
off
off on
145
on
off
off on
off
off
off
on
62
off
on off
on off
off
on
off
146
on
off off
on
off
off
on off
63
off
on off on
off off
on
on
147
on
off
off
on off
off
on on
84 off
on off
on off
on
off off
148
on
off
off on
off
on
off off
85 off
on off
on off
on
off
on
149
on
off
off on
off
on
off on
66
off on off
on off
on
on off
150
on
off off
on off
on on
off
87 off
on off
on off
on
on
on
151
on off
off on
off
on
on
on
88
off
on off on
on
off
off
off
152 on off
off on
on off off
off
89
off
on off
on
on
off
off
on
153 on off off
on
on
off off
on
90
off on off on
on
off
on
off
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