Operation Manual

How to use
lhe
"Com$-8vvitch"
The main use of the Combi-Switch
is to helD the less
experienced
pilot
handle the more
demanding
forms of
model
glider.
For aerodynamic reasons many
gliders
re-
ouire co-ordinated control ol
rudder
and ailerons
in or-
der to
fly
a smooth turn
-
just
like the full-size. However,
simultaneous control
of two functions can
present prob-
lems,
especially
for the less
practised pilot.
The Combi-Switch
is
used
to
couple
these two con-
trols electronically.
The coupling can be be turned
on
and otl via a switch, so that
it is
possible
to
switch between
"normal"
(separate
controls) and
coupled controls at any
time in flight.
You can choose
the way in which the coupling
works:
The
rudder follows
the ailerons;
in this case
you
operate both controls with the aileron stick;
or
The ailerons tollow the
rudder; in
this case
you
ooerate both controls with the
rudder
stick.
The
mode which
you
choose is a matter of
personal
preference.
In both cases
you
retain full
control
of the
"following"
(or
"slave")
f
unction
via its own stick.
A turther
point
which needs
explanation
here
is
the
"following
rate". lt can be set to any
point
between
0
and
20oo/o.
An explanation:
At
a
following rate of 500/0 the slave control
surface will
deflect
to half its
full
travel
when the master control
is
at
full throw. The only
way
of
getting greater
movement
from the
following control surface
is
to operate
its own
stick.
At a
following rate of 1000/0 both control
surfaces move
to the same
extent.
At a following ßte
ol 200o/o the slave control
surface de-
flects to
its full
extent
when the
master
control
surface
is
onlv at
haltthrow. It the master stick
is moved bevond
this ooint.
the master conlrol surlace
moves to
it; full
extent;
the slave control
surface stays at
tull throw
-
be-
cause there's
no more movement available.
It is very difficult
for us to make
recommendations
here,
as the
ideal following
rate varies from
model to model. lf
in
doubt,
you
could
start
with 1000/o
and
then carry
out
test
flights to find the best
setting for smooth,
tidy turns.
This is an
ideal case for using
the Digi-Adiustor,
as
you
can then
easily adjust
the tollowing
rate in
flight.
38
Now,
after this
necessary
preamble,
to the matter
in
hand:
You cannot set up the Combi-Switch until
you
have al-
ready assigned one transmitter control
to ailerons and
one to
rudder. You will
also
need to install a switch for
the
function
(e.g.
S5).
The
switch
well on the left of the
display
is
already
marked CS
=
Combi Switch.
We will take as our example
"06
FIESTA'.
You will find the soecial Combi-Switch
menu
under
"
Transmitter Control Adjustment".
From
the Status display
you
reach this menu with the
key sequence
Eltr.
Then
press
S
to
go
on. You will
see this display:
r
l
tilt_iij r_::,['J:
:,i+.
r
FlUtitiEFj
+f;
I LEFjr:rt.,l
"55+"
indicates
that switch 55
is selected as the Com-
bi-Switch. Press the
N
key,
and
"55+"
flashes. Using
the
El
and
E
keys
you
can
now
select
a different
switch. lf
you
continue
pressing
the
El
key the final op-
tion that appears
is
"ON".
Press
El,
and
"ON"
be-
comes
"OFF".
Now the Combi-Switch
is out of
circuit:
r
1t:1r:i:i [:11.il
!
[tFF
r
E:Llt:'[1EF:
+H
I LEF:r:rt]
As we don't
want that at the moment,
press
El
again
("ON"),
then the
E
key, until
"55+ "
appears again.
The + arrow after
"35"
indicates that the switch
is
on
-
i.e. the controls
are coupled
-
if
you
move the switch in
the direction
of the arrow.
lf
you
wish to
reverse
this,
press
the
y
key now; this reverses the direction
of op-
eration of the switch.
In the display
you
will see that the
'l
arrow turns
into a
r
arrow.
Incidentally:
when the switch
is in
the ON
position,
an
asterisk
appears after the arrow
in confirmation
(++).
Now
you
can select
whether aileron
is
to be
master and
rudder the slave,
or vice
versa.
Press the
Z
key; the
following rate value starts
to flash.
lf
you
press
the
E
key,
the bottom
line of the display
aF
ternates
between
"RUDDER
governs
AILERON" and
"AILERON
governs
RUDDER".
Leave it as
you
want
it
to
work. In our examole
we will leave it at
"AILERON
governs
RUDDER",
i.e. the aileron control
is
the
master.
Now
you
have to set the value
for
the
following rate: as
the appropriate
input
field is already flashing,
i.e.
"re-
leased", simply set the
value
you
want
with the
E
or
El
keys, or the Digi-Adjustor;
in our example
1000/0.
In the display
you
should
see the
following:
r
l
t1tit:.:
t_:5lr.l:
:,i.+.
1
F:l_t;:'X,gp'
+tl
I LEFIüH
That's all there
is to it:
you
can
leave the menu with the
@
key.
2OOo/o
\l\l
nq
\\
master slave
100 Vo
\/\/
fln
\\
master
slave
50
o/o
\t\l
flF
\\\
master slave
Fig.28