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INSTALLATION DIRECTIVEMAY 2006
29
V08 ENT M75
-
M11
-
M12
Revolution-counter calibration
1. Adjustment screw - 2. Panel lighting lamp.
Verify the indication of the panel revolution counter by
comparing it with the one measured with a reference
instrument; if it differs, operate the adjustment screw (1),
located in the rear part of the revolution counter, until
consistency is achieved; repeat the operation for different
engine rpms.
Maintenance
Should it become necessary to replace a panel light, remove
the lamp holder from the rear part of the instrument (see
Figure 27A).
Figure 27A
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2
1
Revolution-counter calibration
1. Calibration increasing button -
2.Calibration decreasing button.
Verify the indication of the panel revolution counter by com-
paring it with the one measured with a reference instrument;
if it differs, press the button 1 and 2 situated on the rear
of the tachometer, until consistency is achieved; repeat the
operation for different engine rpms.
Maintenance
The board is illuminated by not-replaceable internal LEDs.
Figure 27B
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1 2