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dual axis sticks (1 ... 4), access the »Control adjust«
menu in the pupil transmitter and assign those inputs
which correspond to enabled function inputs 5 ...
12 as shown in the »Teacher/pupil« menu of the
teacher transmitter. Afterwards, assign the operating
elements appropriately.
Important:
•
If you should forget to assign a transmitter
control on the pupil side, then the affected
servo or servos will remain in the center
position when the transfer is made to the pupil
transmitter.
•
The pupil transmitter must always be operated
in PPM mode, regardless of the RF connection
type used between the teacher transmitter and
the model.
•
If the transmitter is connected using a DSC
socket on the pupil side, ALWAYS leave the
pupil transmitter's On/Off switch in the "OFF"
position: this is the only way to guarantee
that no RF signal is sent from the pupil
transmitter's transmitter module, even after the
DSC lead has been plugged in.
Trainer mode operations
Both transmitters are connected to one another
using a suitable lead (see summary on next page):
The plug marked "M" (master) must be inserted
into the socket on the teacher transmitter, and the
plug marked "S" (student) into the pupil transmitter's
socket. (Note that not all leads may have such "M"
and "S" labeling.)
Important notices:
•
Check that the model aircraft is operational
and check that all functions issue the correct
commands BEFORE setting up trainer mode.
•
The ends of the trainer lead, usually marked
212 Detail program description - Teacher/pupil
as either "S" or "M", terminate in a three-pole
TRS jack. Do not insert these jacks into a DSC
system socket, as it is not suitable for this
application. The DSC socket is exclusively
designed for cables with 2-pole TRS jacks.
Checking functionality
Activate the assigned trainer mode switch:
•
The trainer mode system is working properly if the
display now changes from "
L" to "
WARNING
•
However, if the
LED at the right, next
to the transmitter's On/Off switch, blinks and
an acoustic signal sounds off at the same time,
then the connection between pupil and teacher
transmitters is faulty.
The basic display also displays the following
warning notice ...
No
pupil
signal
... and the left side of the screen display for the
»Teacher/pupil« menu will change to show
"-Pupil". In this case, all control functions are
retained by the teacher transmitter automatically,
regardless of switch position: this ensures the
model is always under control.
Possible faults:
•
Pupil transmitter not ready
•
Interface in pupil transmitter not correctly
connected in place of the RF module
•
Cables connected wrongly: see right for cable
connections
•
Pupil transmitter not switched over to PPM (10,
16, 18, 24) mode
Other possible faults:
•
Teacher transmitter not properly "bound" to HoTT
receiver in training model
Trainer cables
4179.1
for trainer operation between any two
Graupner transmitters equipped with DSC
sockets – distinguished by a two-pole TRS
jack at both ends.
3290.7
trainer cable for connecting a teacher
transmitter with DSC socket (e.g.
HoTT) or a transmitter retrofi tted with an
optional DSC module, order no. 3290.24) to
S".
a Graupner pupil transmitter with an opto-
electronic system pupil socket – identifi able
by the mark "S" on the side of the three-
pole TRS jack.
3290.8
trainer cable for connecting a pupil
transmitter with DSC socket (e.g.
HoTT) or a transmitter retrofi tted with an
optional DSC module, order no. 3290.24)
to a Graupner teacher transmitter with an
opto-electronic system teacher socket –
identifi able by the mark "M" on the side of
the three-pole TRS jack.
Further details about the cables and modules
mentioned in this section for teacher and pupil
transmitters can be found in the respective transmitter
handbook, in the Graupner RC main catalog or in
Internet at www.graupner.de.
mc-20
mc-20
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