12
finger tight. Rotate the ignition to any convenient orientation and then alternately tighten
mounting clamp nuts to 17 ft/lb.
2) DIR Color-Burst:
Verify bus power and Kill Switches are both OFF. Connect the ignition
circular Control Plug and then turn bus power ON. LED will provide a Color-Burst sequence (in
the first ½ second) that ends with WHITE, followed by either RED or GREEN, and then
transition to normal color signals
(see Note 2)
. Turn bus power OFF.
RED engines
(i.e. most
Lycoming
™)
will look for a white/RED
color-burst
sequence
.
GREEN engines will look for a
white/GREEN color-burst sequence. If the DIR Color-Burst matches your engine - proceed to
Step 3. If
it doesn’t, you need to change DIR
-
see Note 1 below
.
3)
TC Setpoint:
a)
Flywheel TC
method
- Lycoming
™ styled engines have marks on the flywheel to easily
locate engine TC. When using this method:
i) Verify power and kill switches are both OFF. Move engine to flywheel TC,
(compression
on #1 or #2 cylinder
– does not matter)
where it will remain until Step 4.
(see Note 4)
ii)
Press/hold the Button
while
you turn bus power ON. Continue the hold for several
seconds until LED turns BLUE
– release Button.
LED will be BLUE with a periodic
GREEN pulse
.
iii) Then press/hold the Button again (several seconds) until the LED flashes WHITE -
release Button. TC is now stored, and the ignition will automatically re-start in normal
mode. The LED will settle at steady YELLOW (with tone), indicating the ignition is
setting at the newly stored TC position. Proceed to Step 4.
b)
TC Locator method
: If preferred, installers can use TC Locator to locate and store TC
–
see Appendix 2.
4)
MIN (BLUE) and MAX (WHITE) setpoints:
a) Check setpoints by positioning prop (engine) to the MIN and then the MAX positions.
Approaching setpoint positions with engine moving in the normal direction may help to
reduce gear lash.
i)
Confirm the MIN(BLUE) setpoint matches the engine manufacturers recommended
magneto firing angle.
NOTE: Engine alterations that boost power (high-compression
pistons, induction mods, custom cams, enhanced fuels, etc. may require more
conservative (lower) MIN and MAX settings. The ignition default MIN is around 20 to
22-degrees before TC. Adjust as needed.
ii) MAX(WHITE)
The ignition default MAX is 9-degrees ahead of MIN and can be re-set as
low as 6-degrees ahead of MIN.
b) Change setpoint positions (if needed)
–
see Note 5
:
i) With the intended
setpoint color showing
(BLUE example) press/hold the Button.
ii) Continue the hold while you move the prop (engine) to the desired setpoint location.
iii) Then release the Button. The setpoint color will remain (BLUE example), indicating
placement at the newly stored setpoint.
iv)
Setpoint changes need to be made in order
– TC, then MIN, and then MAX
.
5)
Basic setup is complete
.
Always
confirm setpoints by slowly rocking the prop back and forth
over:
a) TC (flywheel mark) Setpoint to see GREEN - YELLOW (with tone) - GREEN
