ning a different control channel in the INPUT CH line to
the receiver servo socket selected in the OUTPUT CH
line. BUT CAUTION: if, for example, you have entered
"2AIL" in the "Aileron/fl ap" line of the "Basic settings"
menu at the transmitter, then control function 2 (aileron)
is already divided to control channels 2 + 5 for the left
and right ailerons. The corresponding receiver INPUT
CH, i. e. those to be mapped, would in this case be
channels 02 + 05.
Examples:
•
You wish to assign two or more servos to each aile-
ron of a large-scale model aircraft:
Assign one and the same INPUT CH (control chan-
nel) to each of the appropriate OUTPUT CH (servo
sockets). The appropriate servo sockets are selected
for the left or right wing, while the INPUT CH will be
one of the two default aileron control channels 2 + 5.
•
You wish to control the rudder of a large-scale model
aircraft using two or more servos:
Assign one and the same INPUT CH (control chan-
nel) to each of the appropriate OUTPUT CH (servo
sockets); in this case the default rudder channel 4.
MODE
The settings you enter for the options "MODE", "F.S.Pos."
and "DELAY" determine the receiver's behaviour if inter-
ference should affect the transmission from transmitter
to receiver.
The setting programmed under "MODE" always refers to
the channel you have set in the OUTPUT CH line.
The default setting for all servos is "HOLD".
For each selected OUTPUT CH (receiver servo socket)
you can choose between:
•
FAI(L) SAFE
118 Program description: Telemetry menu
If interference occurs, the corresponding servo
moves to the position displayed in the "POSITION"
line for the duration of the interference, after the "de-
lay time" set in the "DELAY" line.
•
HOLD
If interference occurs, a servo set to "HOLD" main-
tains the position last assessed as correct for the du-
ration of the interference.
•
OFF
If set to "OFF" when interference occurs, the recei-
ver continues to send the last correct control signals
(which it has stored) to the corresponding servo out-
put for the duration of the interference. This can be
imagined as the receiver switching the signal wire
"off".
But CAUTION: if the control signal is absent, ana-
logue servos and many digital servos offer no resis-
tance to the forces acting on the control surfaces,
with the result that the model's control surface posi-
tions are more or less quickly lost.
F.S.Pos. (Fail-Safe position)
For each OUTPUT CH (receiver servo socket) activate
(highlight) the value fi eld by pressing the
ton, then use the
INC
or
DEC
buttons of the right-hand
four-way button in the "F.S.POS." line to set the servo po-
sition which the servo is to take up in "FAIL-SAFE" mode
if interference should occur. The setting can be entered
in increments of 10 μs.
Default setting: 1500 μs (servo centre)
Important note:
The "F.S.POS." function is also signifi cant if the receiver
is switched on, but is (not yet) receiving a valid signal;
this applies to all three modes "OFF", "HOLD" and "FAIL-
SAFE":
The servo immediately runs to the Fail-Safe position pre-
viously set in the "Position" line. This can be exploited,
for example, to prevent the operation of a retractable un-
dercarriage or similar function if the receiver is switched
on accidentally. However, during normal model opera-
tions the corresponding servo behaves in accordance
with the set "MODE" if interference should strike.
DELAY (fail-safe response time or delay)
At this point you can set the delay time after which the
servos are to run to their previously selected positions if
the signal should be interrupted. This setting applies to
all channels, but only affects the servos programmed to
"FAIL-SAFE" mode.
Default setting: 0.75 s
FAIL SAFE ALL (global fail-safe setting)
This sub-menu can be used to defi ne the Fail-Safe
position of the servos simply by "pressing a button"; it
operates in a similar manner to the "Fail-Safe" menu
described on page 116, and is simple to use:
Move to the "FAIL-SAFE ALL" line and press
button to activate the value fi eld; "NO" is highlighted
INC+DEC
but-
(black background). Now set the parameter to "SAVE"
using one of the
INC
mitter controls to move all the servos which you have
assigned - or intend to assign later - in the "MODE
- FAIL-SAFE" line, to the desired fail-safe positions. In
the extreme bottom line "Position" displays the current
position of the transmitter control for the channel you
have just set:
INC+DEC
or
DEC
buttons. Use the trans-