Graupner GmbH & Co. KG MC-20 用户手册

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页码 324
216 Detail program description - Teacher/pupil
As soon as this process is complete, both screens 
will show "ON" instead of the fl ashing "BINDING":
T R A I N E R     / s t u d e n t
P
T
2
3
4
5
BIND:
SW:
1
on
6
7
8
9 10 11 12
Ä
–––
T R A I N E R     / T e a c h e r
P
T
2
3
4
5
BIND:
SW:
1
on
6
7
8
9 10 11 12
9
Ä
You can return to the basic display on both screens 
and start the training session after carefully checking 
all of the relevant functions. 
If neither transmitter or only one transmitter displays 
"ON", this means the binding process has failed: try 
changing the positions of both transmitters and then 
repeat the entire procedure.
Important notice:
Check that the model aircraft is operational 
and check that all functions issue the correct 
commands BEFORE setting up trainer mode.
During the …
Training session
… the teacher and pupil can maintain a variable 
distance from one another. The "reach of signal" 
(max. 50 m) should not be exceeded under any 
circumstances, however, no one else should be 
standing between the teacher and the pupil since 
these persons could reduce the connection range of 
the return channel used by the two transmitters. 
In this operating mode, the basic display of the 
teacher transmitter is as shown below …
#01
0:24h
Stop watch
Flight tim
K78
0:00.0
3.9V
0:00.0
0
0
0
0
1:23h
P
V
RFC–Teacher
Graubele
… and the pupil transmitter's display will look 
something like this:
#01
0:24h
Stop watch
Flight tim
K78
0:00.0
3.7V
0:00.0
0
0
0
0
4:32h
RFC–student
Schüler
If, however, the connection between the teacher 
and pupil transmitters should be lost during the 
training session, then the teacher transmitter will 
automatically assume control of the model.
If the trainer mode switch is in the "Pupil" position 
when connectivity is lost, the 
Warning
 LED on the 
teacher transmitter will blink and audible warning 
signals will also be sounded for as long as the signal 
is lost. The basic display also displays the following 
warning notice:
No
    pupil
        signal
However, if only the character string "HF –" blinks on 
the transmitter's basic display accompanied by the 
audible warning signals, the pupil signal has been 
lost but the trainer mode switch is set to the "Teacher" 
position.
In both cases, your fi rst step should be to reduce 
the distance between the two transmitters. If this 
does not help, then you should land immediately and 
establish the cause.
If both transmitters are operational and the receiver 
system is switched off, then the teacher transmitter's 
basic display will show the   icons instead of the 
"familiar"  . The antenna icon will also fl ash and an 
audible warning signal will sound twice per second.
Resuming trainer mode
If you switch off one or both transmitters during the 
session – for whatever reason – then the basic display 
of the transmitter(s) shows the following question 
after being switched back on:
ACT
TRAINER
Wireless Link
INH
If "
INH
" (set) is confi rmed by tapping the center 
SET
key of the right touch pad or, alternatively, by waiting 
for approx. two seconds until the message disappears. 
then you will reset the transmitter in question back to 
its "normal" operating mode. You will then have to re-
establish a connection between the teacher and pupil 
transmitters.
If, on the other hand, the selection keys on the left or 
right touch pad are used to select "ACT" …