User manual

21
Transmitter description - Front side
Transmitter description
Front side
(The illustration shows the mc-20 HoTT transmitter.)
Integral aerial inside case
Option wells for switches and buttons:
The following are fitted as standard:
mc-16 HoTT: 2 three-position switches
mc-20 HoTT: 12 switches of various type and 2
INC/DEC buttons
Function module
two sliders “Sl1” and “Sl2”
Digital trim
For the fine-tuning of servo positions (travel
neutralization). Each click produces an incre-
ment of adjustment (position indicator in
display). The trim increment can be selected
in the »Stick settings« menu.
LC Display (more details available on page 28.)
Contrast adjustment in the »General settings«
menu; see page 271.
Warning indicators:
• for underrun of preset battery voltage threshold
• for fault function of the teacher/pupil system
• C1 joystick too far toward full throttle when trans-
mitter is switched on
• …
ON/OFF switch (ON/OFF with LED display)
Hold the ON/OFF switch pressed in for about one
second to switch the transmitter on. Hold it pressed in
for about three seconds to switch off.
touch sensitive keys, left and right
LC Display (more details available on page 28.)
Function module
rotary control: left side “Lv1”,
right side “Lv2”
Loud
speaker
Connector sockets
on the face side, protected by a cover, see beginning
page 22
mc-20
left four-way button:
+
ESC = select/confirm
ESC touched for about 1 s: Changeover between
telemetry menu and basic display
= scroll in one of the four directions with every
tap (, , , )
simultaneous horizontal tap ()
= changeover between basic display and servo
display
simultaneous vertical tap of the left
() keys + "SET" of the right four-
way button = changeover to the "secret
options", see page 34.
SET = select/confirm
= scroll or change value with every touch of one
of the four direction
symbols (, , , )
Circle with the finger around the circumference
= scroll/change values. Alternative values selec-
tion with the left four-way button (, , , )
simultaneous tap on 
or  = CLEAR
right four-way button:
or
LED indicators
BATTERY: illuminates when voltage is sufficient
RF: illuminates during RF radiation
WARNING: blinks, for example, when "Throttle too
high", "no pupil signal", "Transmitter
battery voltage too low", …
Joystick
Two joysticks for a total of four independent
control functions. The length of the joysticks
can be adjusted. The correlation of control
functions 1 … 4 can be set on a model
type basis by way of the »Basic settings,
model« menu, e. g. throttle left or right. The
throttle joystick can be converted from neu-
tralizing to non-neutralizing, see page 19.