Graupner GmbH & Co. KG MC-20 用户手册

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页码 324
34
Transmitter description - Secret mode
¾
¾
¾
¾
¾
¾
F i r m w a r e   D o w n l o a d
P r o z e s s   S t a r t
P l e a s e   W a i t . . . .
¾
¾
¾
¾
¾
¾
B o o t   D o w n l o a d
S u c c e s s ! ! !
P l e a s e   W a i t . . . .
…, the message:
¾
¾
¾
¾
¾
¾
F i r m w a r e
D o w n l o a d i n g . . .
P r o g r e s s     0 2 3 / 2 7 5
… will appear in the display. As soon as the counter 
to the left of the "/" character reaches the value 
shown on the right as the volume to be loaded, the 
message …
¾
¾
¾
¾
F i r m w a r e   U p g r a d e
S u c c e s s ! ! !
… will appear. After a few seconds this message 
will be erased and the transmitter will automatically 
restart. The transmitter is now again operational.
Notes:
If the warning …
SD-CARD
INSERT
OK
… appears then the transmitter does not detect 
a memory card in its card slot or the card found 
cannot be read.
If the selection window is empty …
FILE LIST
… then the transmitter could not fi nd a suitable 
fi rmware fi le on the inserted memory card. Check 
the contents of the SD card's "Firmware" directory 
on a PC or laptop.
  JOYSTICK CALIBRATION
If you feel the neutral position of your self-calibrating 
joysticks (controls 1 … 4) are not exactly 0 % of 
their control travel, then this can be checked and, if 
necessary, corrected as follows.
Jump to the »Model select« menu and initialize 
a free model memory as described on page 69. 
Whether the model to be initialized is a winged 
aircraft or a helicopter is irrelevant. 
Wait for the notices which typically appear in the 
transmitter's base screen following a model change 
then jump to the »Servo display« menu, for example 
by simultaneously touching the 
ef keys of the left 
touch pad (WITHOUT any interim changes to trim 
settings or other program settings). 
If all four of your transmitter's joystick functions are 
still self-neutralizing, this display should ideally look 
like the one shown below.
1
3
5
7
9
11
13
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
8
10
12
14
16
Otherwise the graph bars show current setting 
percentages for joystick control functions which are 
not self-neutralizing – typically for the "C1" throttle/
brake or throttle/pitch joystick. For example, if the 
throttle/brake joystick is in its "quarter-throttle" 
position, the display would appear as shown below.
1
3
5
7
9
11
13
15
0
0
0
0
0
0
0
0
–50
0
0
0
0
0
0
0
2
4
6
8
10
12
14
16
One after the other, put both joysticks into each 
of their four possible limit positions without
exerting force at the limit position. In each of 
these eight possible limit positions, the – side 
dependent – indication for exactly -100 % or +100 % 
should be displayed. For example, if transmitter 
control 2 is at its right limit and the other three joystick 
functions are in their respective middle positions 
then the transmitter's display should look like the one 
shown below.