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140 How is a fl ight phase programmed?

The concept of fl ight phase programming

During a fl ight, you will often want to apply different 
settings – e.g. fl ap or trim settings for a fi xed-wing 
aircraft or collective pitch and throttle servo settings 
for a helicopter – at particular times in the fl ight (e.g. 
take-off, approach, hover, auto-rotate, etc.). With 

mc-

20

 HoTT, you can access such presets automatically 

using switches or control switches.
Flight phases are also of great utility during fl ight 
testing. You can confi gure various set-ups and then 
switch between them during the fl ight: this enables 
you to identify the most appropriate program set-up 
for your model quickly and easily.

First, you have to set up the different fl ight phases, 

1. 

i.e. you assign names to phases 1 … max. 8. 
Each name is then shown in all phase-specifi c 
menus and also on the basic display. To avoid 
abrupt transitions when switching between the 
various phases, you can also program a period 
of time during which a "soft" transition to the next 
phase takes place.
For fi xed-wing aircraft programs, these settings 
are made in the »Phase settings« menu. The 
programming of helicopters begins with either 
the »Basic settings, model« menu, if you wish 
to set up autorotation or, otherwise, with the 
»Phase settings« menu.
In the second stage, you use the »

2. 

assignment« menu to set up the required "phase 
switches".
Once these are set, you can then move to the 

3. 

fl ight phase-dependent menus (see the tables 
below) to start programming the settings for the 
individual fl ight phases.

»Control adjust«

108

»Dual Rate / Expo«

120

»Channel 1 curve«

128

»Phase settings«

142

»Phase assignment«

148

»Phase trim«

150

»Non-delayed channels«

151

»Flight phase timers«

156

»Wing mixers«

160

»MIX active/phase«

204

»Trim memory«

224

»Control adjust«

112

»Dual Rate / Expo«

124

»Channel 1 curve«

131

»Phase settings«

146

»Phase assignment«

148

»Non-delayed channels«

151

»Flight phase timers«

156

»Helicopter mixer«

176

»MIX active/phase«

204

»Trim memory«

226

All other menus are model-specifi c and thus cannot 
be programmed separately for each fl ight phase. 
Accordingly, changes you make in all other menus 
apply uniformly to all fl ight phases for that specifi c 
model. In some cases it may be desirable to use the 
»Suppress codes« menu (see page 74) to remove 
non-alterable menus from the multi-function list 
while programming fl ight phases. Two examples of 
fl ight phase programming can be found in the text 
beginning on page 288.