Switch setting instructions, Aetna digital tachometers – Aetna SM Versions User Manual
Page 5
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Aetna Digital Tachometers
SWITCH SETTING INSTRUCTIONS
For use by Factory Authorized Personnel Only
■
Version
‘-SH’
PPR
Switch Position
PPR
Switch Position
8
1
2'
3
4
5
6
7
8
1
2
3
4
5
6
7
206
on
on
off
off
on
on
off
on
154
on
off
off
on
on
off
on
off
206
on
on
off
off
on
on
on
off
156
on
off
off
on
on
off
on
on
207
on
on
off
off
on
on
on
on
156
on
off
off
on
on
on
off
off
206
on
on
off
on
off
off
oft
off
157
on
off
off
on
on
on
off
on
209
on
on
off
on
off
off
off
on
1^
on
off
off
on
on
on
on
off
210
on
on
off
on
off
off
on
off
159
on
off
off
on
on
on
on
on
211
on
on
off
on
off
off
on
on
160
on
off
on
off
off
off
off
off
212
on
on
off
on
off
on
off
off
161
on
off
on
off
off
off
off
on
213
on
on
off
on
off
on
off
on
162
on
off
on
off
off
off
on
off
214
on
on
off
on
off
on
on
off
163
on
off
on
off
off
off
on
on
215
on
on
off
on
off
on
on
on
164
on
off
on
off
off
on
off
off
216
on
on
off
on
on
off
off
off
1Й
on
off
on
off
off
on
off
on
217
on
on
off
on
on
off
off
on
166
on
off
on
oft
off
on
on
off
218
on
on
off
on
on
off
on
off
167
on
off
on
off
off
on
on
on
219
on
on
off
on
on
off
on
on
1Ш
on
off
on
off
on
off
off
off
220
on
on
off
on
on
on
off
off
1Ю
on
off
on
off
on
off
off
on
221
on
on
off
on
on
on
off
on
170
on
off
on
off
on
off
on
off
222
on
on
off
on
on
on
on
off
171
on
off
on
off
on
off
on
on
223
on
on
off
on
on
on
on
on
172
on
off
on
off
on
on
off
off
224
on
on
on
off
off
off
off
off
173
on
off
on
off
on
on
off
on
226
on
on
on
off
off
off
off
on
174
on
off
on
off
on
on
on
off
226
on
on
on
off
off
off
on
off
ITS
on
off
on
off
on
on
on
on
227
on
on
on
off
off
off
on
on
176
on
off
on
on
off
off
off
off
228
on
on
on
off
off
on
off
off
177
on
off
on
on
off
off
off
on
229
on
on
on
off
off
on ,
off
on
178
on
off
on
on
off
off
on
off
230
on
on
on
off
off
on
on
off
179
on
off
on
on
off
off
on
on
■ 231
on
on
on
off
off
on
on
on
180
on
off
on
on
off
on
off
off
232
on
on
on
off
on
off
off
off
181
on
off
on
on
off
on
off
on
233
on
on
on
off
on
off
off
on
182
on
off
on
on
off
on
on
off
234
on
on
on
off
on
off
on
off
183
on
off
on
on
off
on
on
on
235
on
on
on
off
on
off
on
on
184
on
off
on
on
on
off
off
off '
236
on
on
on
off
on
on
off
off
185
on
off
on
on
on
off
off
on
237
on
on
on
off
on
on
off
on
186
on
off
on
on
on
off
on
off
238
on
on
on
off
on
on
on
off
187
on
off
on
on
on
off
on
on
239
on
on
on
off
on
on
on
on
188
on
off
on
on
on
on
off
off
240
on
on
on
on
off
off
off
off
199
on
off
on
on
on
on
off
on
241
on
on
on
on
off
off
off
on
190
on
off
on
on
on
on
on
off
242
on
on
on
on
off
off
on
off
191
on
off
on
on
on
on
on
on
243
on
on
on
on
off
off
on
on
192
on
on
off
off
off
off
off
off
244
on
on
on
on
off
on
off
off
193
on
on
off
off
off
off
off
on
245
on
on
on
on
off
on
off
on
194
on
on
off
off
off
off
on
off
246
on
on
on
on
off
on
on
off
195
on
on
off
off
off
off
on
on
247
on
on
on
on
off
on
on
on
196
on
on
off
off
off
on
off
off
248
on
on
on
on
on
off
off
off
197
on
on
off
off
off
on
off
on
249
on
on
on
on
on
off
off
on
193
on
on
off
off
off
on
on
off
250
on
on
on
on
on
off
on
off
199
on
on
off
off
off
on
on
on
251
on
on
on
on
on
off
on
on
200
on
on
off
off
on
off
off
off
252
on
on
on
on
on
on
off
off
201
on
on
off
off
on
off
off
on
253
on
on
on
on
on
on
off
on
202
on
on
off
off
on
off
on
off
254
on
on
on
on
on
on
on
off
203
on
on
off
off
on
off
on
on
255
on
on
on
on
on
on .
on
on
204
on
on
off
off
on
on
off
off
Procedure: Position the switches according to the table using a thin stylus such as the metal
filler from a ball point pen. Care should be taken to use only moderate pressure in actuating the
individual switches to avoid damaging them. Use of pienty of light and magnification can be
helpfui. Switch #1 is on the left, #8 on the right; up is on and down is off.