, cont.
3.
Hold the transmitter sticks in the position that you want the
ser
vos to assume during signal loss conditions. Y
ou can
determine fail-safe preset positions for the other channels by
placing the potentiometers and switches in the positions that you
want them to assume during inter
ference.
4.
With the sticks, switches and potentiometers in the fail-safe
positions, touch the CLR key
. This will enter these locations as the
fail-safe memor
y settings. A high pitched beep will indicate that
this setting has been stored.
5.
T
o
confir
m that the input of data was successful, switch the
transmitter OFF
. The controls will move to the input locations. If
not, repeat step 4 again.
6.
T
o
exit the Fail-Safe Function, press the UP and DN keys
simultaneously
.
Note:
These preset positions remain stored in the transmitter’
s
memor
y until both the transmitter batter
y pack and the lithium
back-up batter
y have been removed (or until data reset has been
per
for
med). Therefore, you do not have to reset the fail-safe
each time you fly
. Should you want to re-adjust the fail-safe
presets, access the Fail-Safe Function and adjust the presets as
you have just done. The transmitter automatically recalls the
settings for the last fail-safe adjustment.
ccessing the Fail-Safe/Hold Memory in S-PCM Modulation
Hold (S-PCM)
The Hold Function is automatically activated when the radio is
tur
ned ON and in the S-PCM modulation.
This function stops (or holds) the ser
vos in the positions they were
in just prior to the interference. Therefore, your airplane
maintains the position held immediately before the inter
ference
was experienced. When a clear signal is restored, the Hold
Function releases, and control of the airplane retur
ns to you.
1.
Place the transmitter power switch in the ON (upper)
position.
2.
While the power switch is in the ON position, press the UP
and DN keys simultaneously to access the Function Mode.
3.
Press either the UP or DN key until Fail-Safe appears in the
left portion of your LCD.
Note:
If Fail-Safe does not appear on your LCD, it is because
you are transmitting in PPM. Fail-Safe is not applicable in the
PPM mode. Refer to the Modulation Mode Selection Section for
more infor
mation.
Fail Safe/Hold Combination in S-PCM Modulation
The XP8
10
3 allows you to combine the hold and fail-safe presets
for all eight (8) channels on the receiver — you can select fail-
safe or hold independently for all channels on your aircraft. In
other words, some channels will hold their last clear signal
position, while others assume the preset position. Once the fail-
safe has been activated by signal interruption (inter
ference), the
transmitter automatically moves the ser
vos to a preset position.
The predetermined ser
vo positions are set by you. In the S-PCM
fail-safe, the time delay (the amount of time it takes, starting the
moment the interference occurs, until the ser
vos assume the
preset positions) is fixed at .
2
5, or 1/4, second.
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