Installation Manual
FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 
INSTALLING THE EGT-701 SCANNER® 1/20/09  Rev-E Page 19 of 30 
Setting the Alarm Limits 
Turn on the EGT-701 and after self-test, press STEP until the instrument is cycling normally. 
To start the Alarm Limit Procedure, with the EGT-701 powered up, do the following: 
Hold both
buttons for 5
seconds until
the words
FAC LI
M
Tap STEP
button until
the words
END Y
Hold both
buttons for 5
seconds until
the word
PROGRAM
Tap the STEP button to advance to the next item in the list. Tap the LF button to select alternate values of that item. Hold the LF 
button to rapidly back up. Prompts listed in the first column are displayed for only two seconds. 
Changing the Alarm Limits: 
STEP to next 
item 
LF sequences through these values   
Description 
FAC LIM   
Factory Limits. 
FAC? N  FAC? Y 
Restore factory defaults 
REV X.XX   
Firmware rev. number. 
TYPE K 
TYPE K TYPE J 
Hold STEP and LF for five seconds to toggle 
Type K or Type J CHT probes. USE THIS WITH CAUTION.* 
EGT-CHT 
ENG F  ENG C 
Select F or C degrees for all engine temps. 
BATTERY 
I0.0 H BAT  35.0 H BAT 
Battery high voltage limit, set in 0.5 volt increments. 
8.5 L BAT  30.0 L BAT 
Battery low voltage limit. 
EGT DIF 
30 DIF  990 DIF 
EGT difference limit set in 10° increments. 
CHT HI 
90 H CHT  500 H CHT 
CHT high limit set in 5° increments. 
 COOL CHT 
-5 CLD  -200 CLD 
Cooling limit set in 5°/min. increments. 
TIT HI 
650 TIT  2000 TIT 
Both EGT and TIT hi limits are the same. 
OIL TEMP 
40 H OIL  500 H OIL 
Oil temperature high limit, set in 5° increments. 
I0 L OIL  250 L OIL 
Oil temperature low limit set in 5° increments 
OIL PRESS   
Oil pressure low limit 
FUEL FLW 
FUEL GALFUEL KGSFUEL 
LTRFUEL LBS 
Selects the units in all parameters where fuel quantity or 
fuel rate is displayed 
MAIN TK 
MAIN=50  Main tank capacity, in units selected 
AUX TNK 
AUX? NAUX? Y 
Y - Yes - aircraft has auxiliary tanks 
AUX=0  Auxiliary tank capacity 
LO TIME 
MIN =45  Alarm limit in minutes for low time in tanks 
LO FUEL 
REM =I0  Alarm limit for low fuel quantity in tanks, in units selected 
CARB? N CARB? Y 
Y - Yes: carbureted engine 
RECRD? 
RECRD? YRECRD? N 
Data Recording Option Y-only data recording. N – Only real-
time data output. 
END Y  END N 
Y - Yes to exit; N - No to review list again 
*CHT will read incorrectly if the wrong probe type is selected. Type K probes generally have red and yellow wires; type J probes 
have black and white wires. 










