Manual Indexing Mode
Just tap the STEP button. Automatic Indexing stops. Each indexed
measurement is frozen in the digital display until you manually index to
the next measurement by tapping the STEP button. If no button is
depressed for 15 minutes, the Automatic Indexing Mode will resume.
LeanFind Mode
Simply pre-lean, tap the LF button and begin leaning. The EDM-
760/790 will assist you in finding the first cylinder to peak.
Buttons
Buttons, Front Panel
Two operating buttons control all functions of the EDM-760/790.
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 indexing mode, tapping the STEP button will
stop indexing and change to the Manual indexing mode. Then
each tap of the STEP button will display the next measurement
in the sequence.
In the LeanFind mode tapping the STEP button will terminate
the LeanFind mode and change to the Automatic indexing mode.
Secondary functions of the STEP button include:
In the Manual indexing mode holding the STEP button will
display the previous measurements in the sequence (rapidly
backwards).
In the programming procedures, described on page 40, tapping
the STEP button will advance to the next item in the list.
Page 10 Engine Data Management