Underreading tacho indication

MJCATT

New Member
Joined
Oct 5, 2007
Messages
1
Ran Superior XP-IO360 today for first time. RV-9A fitted with EMS-D120 and EFIS-D100. Everything normal except underreading tacho (by several hundred rpm). Will check with hand held tacho tomorrow but pretty sure there is a problem with the EMS somewhere.
Has anyone else had a similar problem?
 

dynonsupport

Dynon Technical Support
Staff member
Joined
Mar 23, 2005
Messages
13,226
Keep in mind that the pulses per revolution is configurable under the EMS SETUP>SENSORS>TACH menu.
 
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