Note: In the case that the RPM reading is wrong over 60.000rpm, you should update the
firmware of your MPX radio; there is a bug on old M-Link systems.
Futaba Measures Setup:
For older versions than telemetry 5:
This adapter emulates RPM and Temperature sensors on Futaba, so the setup should be
done manually, not automatic by connecting the sensor to the TX.
Futaba telemetry can send up to 32 measures from all sensors on a system. These
measures are organized as “slots”. Each sensor on a system should be assigned to a
unique slot (or ID) so that the receiver knows the origin of the data and the transmitter
display the data in correct place. If two sensors have same ID number, this will produce
a collision and the data of both sensors will be lost, so it is very important to assign
correctly the slots. Slot 0 is always used by the receiver for the rx voltage, so the user
can only use slots 1 to 31.
The adapter can use up to 8 slots to transmit the 8 measures available. In order to
coexist with other sensors that use fixed slots, each of these measures can be assigned
freely to any available slot, or disabled if you don’t want some measures being
transmitted to save slots for other sensors or a second adapter in a twin-engine plane.
Once the setup of tank capacity and pump factor is done, the next menu displayed on
the data terminal is the selection of the slot for the turbine RPM. By default is the 4, but
it can be changed to any other free slot or disabled using the +/- buttons.
If you have other sensors in your system, first identify which slots are used, then decide
which measures you want to transmit and assign a free slot to each of them, taking care
to not assign the same slot to two measures on the adapter or on another sensor. We
recommend annotating the measure and slot number assigned to ease later the setup
on the TX. In twin engine airplanes, you can use two adapters, but you should take care
of to assign different slots, for example, slot 5 for RPM of engine1, slot 6 for RPM of
engine 2, etc. A good practice in twins is to assign odd slot numbers to the measures
from one engine and even to the measures from the other, so the source would be
easily identified in the TX.
