“Learn R/C”. Teach the ECU to the R/C System
Before the Jet-Tronic ECU can be used for the first time you must program the failsafe
and learn the throttle stick and optionally the auxiliary control positions of your R/C
system.
To accomplish this, complete the following steps:
1. Connect the two ECU servo cables to the receiver. The “THR” cable connects to the
throttle channel and the “AUX” cable must be connected to a channel capable of
three (3) positions. Make certain that all other connections are made in accordance
with the Electrical Connection Diagram.
2. Inspect the transmitter programming, to ensure that dual rates and exponential
functions are disabled, travel is set at 100% (75% if failsafe is active) and sub trim is
set at zero for both channels.
3. While pressing the “Select Menu” key on the GSU, switch on the receiver.
Helpful hint:
Instead of the Select Menu key on the GSU, the small switch on the LED I/O
board may be pressed instead. This key can also be used to advance through
the “learn R/C” sequence (described below). This feature is useful when the
GSU is not available. Keep in mind that the LED’s on the I/O board are the same
as the GSU for “Standby”, “Pump running” and “OK”.
Release Select Menu only after the three LED’s display the following blink
sequence:
LED Blink Sequence
Standby/Man.
Yellow ~ { { ~ { {
Pump running
Red { Ö ~ Ö { Ö { Ö ~ Ö {
OK
Green { { ~ { { ~ ....
The GSU display will simultaneously read:
Release key to:
- learn RC -
4. This procedure enables a system mode, whereby the stick positions can be learned
by the ECU. When Select Menu is released, only the green OK LED should
illuminate.
The GSU display will read:
Æ Alternate “Off” position
Set Throttle to
minimum:
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