2.4 Intended use
The PROFI TX transmitter is intended exclusively for operation of models by
radio control.
Always follow the switching on/off sequence in order to avoid any uncontrolled,
dangerous start-up of the power system:
Switching on
1. Transmitter
2. Receiver
3. Connect the flight battery or switch the power system ON
Switching off
1. Disconnect the flight battery or switch the power system OFF
2. Receiver
3. Transmitter
Assemble the model carefully
Install and adjust all control surface linkages in such a way that the surfaces
move smoothly and freely, and are not stalled even at maximum travel. Don’t
use the transmitter to regularly limit servo travels. It is always better to adjust
levers and pushrods mechanically and as thoroughly as possible. Avoid lost
motion (sloppy linkages). Use configuration options on the servo side of the
transmitter only for fine-tuning.
The measures mentioned above are essential in order to minimise the load on
the servos.This in turn allows them to perform at their best, and they will also
last longer and operate more reliably.
Provide effective protection from vibration to the receiver, battery, servos
and other RC and electronic components. Observe the advice included in
the relevant operating instructions. Balance propellers and rotor blades
before use and replace them at any sign of damage. Install I.C. engines
on vibration-absorbing mounts and replace motors or motor parts which
are damaged or do not run true.
Do not strain or bend cables; protect them against rotating parts.
Avoid unnecessarily long or superfluous servo extension cables.
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