Na página 15 do manual há três soluções:
Setting up RTH with ?PPM? Receivers that Don?t Control the Servos When Radio Reception is Lost
If your receiver stops controlling the servos if you turn off your radio (the servos no longer are held in one position, and/or start moving randomly), you will
need to configure RTH as follows:
- a) Set the ?Choose Model Control Type? to either ?Standard? or ?Elevon? in the Configure Radio Control menu.
- b) Set the ?Choose Receiver Type? to ?PPM/ No FS? in the same menu. Note: Since ?PCM? receivers should never have bad or missing pulses, RTH will
- never activate if ?PPM/ No FS? mode is selected with a PCM receiver!
- c) Set ?Number Failsafe Chans on RX? to ?No FS Chs? in the same menu
- d) Set the ?Select Desired Safety Mode? menu item in the Safety Mode menu to ?Rtrn Home?
- e) Read the additional information below, and then follow the remaining steps in the ?RTH Testing/Adjustment Procedures? section below
When set up in this mode, the OSD Pro looks for bad pulses (pulses of the wrong duration), or the absence of pulses. If enough bad or missing pulses are
evident in a short period, Safety Mode is invoked, until the error rate decreases to a good level.
Setting up RTH with Models with Receivers that maintain the last Servo Position, but Don?t Support Programmable Failsafes
For receivers which do maintain the last position of the servos when signal is lost, but with no failsafe positions programmed, Safety Mode is activated when
no servos move for a few seconds. This setup is not ideal, since Safety Mode will turn on if you don?t move your transmitter sticks for a few seconds,
even if your radio link is good!
For this type of radio, you would choose the following settings:
- a) Set the ?Choose Model Control Type? to either ?Standard? or ?Elevon? in the Configure Radio Control menu.
- b) Set the ?Choose Receiver Type? to ?PCM/FS? in the same menu.
- c) Set ?Number Failsafe Chans on RX? to ?No FS Chs? in the same menu
- d) Set the ?Select Desired Safety Mode? menu item in the Safety Mode menu to ?Rtrn Home?
- e) Read the additional information below, and then follow the remaining steps in the ?RTH Testing/Adjustment Procedures? section below
Setting up RTH with Models that have more than Three Flight Controls, and the Receiver does not support Failsafes
If your receiver does not support failsafes, and your model has four or more flight controls (for example, Aileron, Elevator, Rudder, Throttle), additional steps may be needed to use the the Safety Mode features. Since the OSD Pro will take control of only three of the control surfaces, the fourth control will be left connected directly to your receiver. If the receiver loses signal, and does not support failsafe, the fourth control could move randomly or remain in its last position. For example, if your plane has rudder, aileron, elevator and throttle, and you connect rudder, elevator and throttle to the OSD Pro, the aileron channel, which is connected directly to the receiver, could move randomly if the receiver loses signal and doesn?t support failsafe. A possible solution to this problem is to purchase a ?servo fail safe unit? which is connected between the fourth receiver channel, and the fourth servo, which will provide failsafe operation if the receiver loses signal. Or, consider upgrading to a failsafe capable radio.
