J.P. Instruments EDM 740 Pilots Guide - Manual (Page 53)

For Your Safe Flight Page 53
The display will then sequence similar to the example chart below. Tap
the STEP button to advance to the next item in the list. Tap the LF
button to select values for that item. Hold the LF button to increase a
numerical value; tap the LF button to decrease a numerical value. The
shaded areas in the chart below apply to EDM’s equipped with the Fuel
Flow Option. Example sequence and procedures for changing the alarm
limits or main tank capacity shown below:
Tap STEP for
next item
LF sequences through
these value ranges Description
FAC? N N
 Y
Restore factory defaults?
ENG F F
 C
Select F or C degrees for
all engine temps. You
must also change the
alarm limits to °F or °C.
16.0 H BAT 10.0 … 35.0 Battery high voltage limit,
set in 0.5 volt increments.
12.0 L BAT 8.5 … 30.0 Battery low voltage limit.
500 DIF 30 … 990 EGT difference limit, set in
10° increments.
450 H CHT 90 … 500 CHT high limit, set in 5°
increments.*
-60 CLD -5 … -200 Cooling limit, set in
5°/min. increments.
1650 TIT 650 … 2000 Also sets the maximum
scale of the EGT and TIT
bar graph.*
230 H OIL 40 … 500 Oil temperature high limit,
set in 5° increments.*
90 L OIL 10 … 250 Oil temperature low limit
set in 5° increments
20 L O-P 0 … 99 Oil pressure low limit set
in 1 pound increments
2700 RPM 1000 … 3500 High RPM alarm (when
equipped with RPM)
42.0 MAP 25 … 90 MAP overboost alarm
when equipped with RPM