JetCat P80 Instruction Manual page 37

Explanation of the speed regulator options:
If the Airspeed Sensor is NOT connected – the standard functions of the AUX switch are
assigned as follows:
Standard assignments of the AUX switch:
•
Position SW0
•
Position SW1
•
Position SW2
With the Airspeed Sensor connected to the ECU, the AUX switch positions SW0 and SW2
include the expanded functions that are covered in the above parameters table. These
expanded assignments are only valid when the model is airborne (with a flight speed > 40
km/h), otherwise the standard functions remain active.
As long as the AUX switch is maintained in the center position, the ECU continues functioning
in thrust control mode and turbine thrust can only be determined by the throttle stick position.
Available options:
Option
Hold-Speed
DISABLED/NONE
Turbine OFF
LrnSpeed Lo/Hi
= Off, turns the turbine off, immediately
= Start/Standby, normal thrust control
= AutoOff, normal shutdown method
Description
Maintains the current flight speed.
Flight speed is measured at the time the AUX switch is placed in the SW0
position. This action establishes the ECU in speed control mode (i.e.:
the model maintains the flight speed measured at the time the mode is
activated, despite the throttle stick position). This mode remains active
until the AUX switch is returned to the SW1 position.
WARNING: When the AUX switch is set in the SW0 position, the model
must be flying faster than 40 km/h, otherwise the turbine will shut off.
No function. Thrust control mode remains active.
Immediately shuts down turbine. Normal thrust control mode remains
active.
Learns the current flight speed.
If the throttle stick is set at less than half throttle and the AUX switch is
momentarily placed in the SW0 position, the current flight speed is
assigned and recorded as the Min.AirSpeed parameter.
If the throttle stick is set at greater than half throttle and the AUX switch is
momentarily placed in the SW0 position, the current flight speed is
assigned and recorded as the Max.AirSpeed parameter.
By momentarily activating the AUX switch, this option makes it possible to
store a particular slow or fast model speed, while in flight. These values
then become the parameters for the Cruise Control mode, plus the
operator can also display the values in the limits menu, after landing.
WARNING: When the AUX switch is set in the SW0 position, the model
must be flying faster than 40 km/h, otherwise the turbine will shut off.
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