J.P. Instruments EDM 700/800/711 Pilots Guide - Manual (Page 12)

Page 8 Engine Data Management
LeanFind Mode
Simply pre-lean, tap the LF button and begin leaning. The EDM will
assist you in finding the first cylinder to peak.
Buttons
I340 376
STEP EDM-700 LF
JPI
STEP button LF button
Buttons, Front Panel
Two operating buttons control all functions of the EDM.
The term tap will be used to denote pressing a button momentarily. The
term hold will be used to denote pressing and holding a button for five
seconds or longer.
STEP Button
Located on the lower left side near the instrument face.
 In the Automatic mode, tapping the STEP button will stop
and change to the Manual mode. Then each tap of the STEP
button will display the next parameter in the sequence.
 In the LeanFind mode tapping the STEP button will
terminate the LeanFind mode and change to the Automatic
mode.
Secondary functions of the STEP button include:

In the Manual mode holding the STEP button will display the previous
parameters in the sequence (rapidly backwards).

In the programming procedures, tapping the STEP button will advance to
the next item in the list.

When an alarm is displayed, tapping the STEP button will temporarily
delete that alarm from appearing for the next ten minutes.

When an alarm is displayed, holding the STEP button until the word OFF
appears will delete that alarm from appearing for the remainder of the
flight.
LF Button
Located on the lower right side near the instrument face.