J.P. Instruments EDM 900 Pilots Guide - Manual (Page 18)

Page 18 Engine Data Management

In the LF mode holding the LF button after peak EGT is found will
display the peak EGT.

In Automatic or Manual modes holding the LF button for three
seconds will toggle between Standard and Normalize (NRM) views.

In the programming mode, tapping the PLUS or MINUS button will
allow you to edit a parameter value.

Holding LF during power up will display the primary alarm limits after
the self-test is complete.
1
st
and 2
nd
Buttons

Holding both the STEP and LF buttons simultaneously for five
seconds will enter the pilot programming mode.

Just after entering Lean Find Mode (but before any EGT has risen),
holding both First and Second buttons for five seconds will toggle
between LOP or ROP leaning modes.

Tapping both the STEP and LF buttons simultaneously in Manual
mode toggles to ‘include’ or ‘exclude’ the displayed non-primary
measurement from the Automatic mode only. The excluded
measurement will show up in the manual mode.
3
rd
Button

Tapping DIM (brightness decreases) or holding DIM (brightness
increases) allows decrease or increase brightness respectively.
2
nd
and 3
rd
Buttons

Holding both the LF and DIM buttons simultaneously will display the
Hobbs readings. Tap button labeled NEXT to see additional
information screens.
4
th
Button ( ALL/TEMP/FUEL )

Select what is shown during Scanner auto-sequence. Choices are
ALL, TEMP or FUEL. Highlighted one is what is active.