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Radio - Servo - Gyro - Gov - Batt > 9Z and extra flight modes
 
 
gnichola
Senior Heliman
Location: Santa Rosa, CA. USA

I fly heli's and I want more than the standard 4 flight modes. One
3 pos switch is used for the basic 3 and then there is a hold
switch. I want my extra flight modes to only be available when I am
in idle-up 2. So if I am in my new idle-up 3 or 4 I only have to
hit the 3 pos switch to get back to normal.

I have a solution but it involves making idle-up 2 my default flight
mode and that has serious ramifications that I found out about the
other day. Did you know that condition hold doesn't use the
throttle position you are currently in? It uses the default
conditions throttle setting based on the stick position you have
entered....so since idle-up 2 is my default...well, let's say I was
more than a bit surprised when my engine went full on ! I couldn't
figure out how to turn it off. I ended up shutting off the
transmitter so that my failsafe condition would kick in.

Anyway, any thoughts would be appreciated.
08-15-2002 Over year old.
HOMEPAGE  
 
 
MJA
Key Veteran
Location: Cumbria-UK

I'm not sure what you are meaning with the condition hold problem but the problem i found when adding another flight mode was that throttle hold would no longer overide the new flight mode i'd just setup
.This is because when you look in the condition list for that specific model memory(not the list for the whole lot),the last in the default list is thr-hold and has highest priority over all the flight modes that come before it
,when you add another mode/condition after it,that one has the highest priority now, so if you wanted to hit thr-hold switch in that new condition it wouldn't overide it to get you into thr-hold condition even though you'd set/defined the hold switch in your new condition under HLD.The only way around it that i could see was to re-shuffle the conditions in that model memories list to make hold the last to appear and the new one the second to last,which isn't that easy to do and you need to keep a good track of the condition numbers (from the available 50)so you don't inadvertantly rob any from another working model memory.Also unless you have a memory pack fitted any you add above 5 will be robbed from another memory.I think there are 5 automatically allocated giving 10 models * 5 conditions =50 , so you have 1 ready spare you could use but i think it appears after HOLD . You might be able to re program the current hold to be the new idle up and then move HOLD to the new spare condition so it keeps it's highest priority
in the model memory conditon list.My final conclusion was it was more trouble than it was worth and could lead to programming mistakes where thr hold switch might not work when you expected it to


.AFAIK condition hold via CHD should always work.
There is another workaround to have CHD on a switch of your choice set by HLD in the condition menu for each condition you are using it,but i think the condition priority thing might be a problem again.

I don't have the radio in front of me now so this is all what i can recall from memory of when i was pissing about with programming extra flight modes.Basically to make one overide another they have to be priority ordered in model memory condition list with hold still
retaining the highest priority so your new list would have to be ordered something like

d:Normal
1:Idle-up1
2:Idle-up2
3:Idle-up3
4:Hold
5:spare
6:spare
7:spare



Martin
08-15-2002 Over year old.
 
 
MJA
Key Veteran
Location: Cumbria-UK

This is the reply i wrote on the usenet newsgroup to same question
,but slightly more detail maybe.
I also made an error with previous post here
,there are 4 default conditions allocated taken from the first 40 locations,therefore to edit the condition ordering (without screwing up any of the other model memories
you need to borrow them from conditions 40-50 or rather copy or SET some of the existing/new ones into those locations and then set them back up in the model memory in the order you want by using CPC.Also it's a good idea to have one
of Angelos Gonias's service menu enablers in case you totally screw up the condition list or have weird anomaly's in other model memories:-)



<< I'm fairly sure you'll need to re-juggle your flight modes,from
what i remember they run in a priority order in the model memory list
,so higher numbers of the possible 8 is capable of overiding the other
lower ones(especially when they span across different switches), i think
the thr-hold flight mode MUST remain the last in the list or you won't
be able to override ALL the modes at any time with the thr-hold switch(i
could be wrong about that though).The default order is

D: xx -Normal
2: xx-Idle-up1
3: xx-Idle-up2
4: xx-thrHold

where xx equals the condition numbers from the possible 50 (initially
auto-allocated)

to get what you want i think this is what you'll need to do

d: xx- Idle-up1
2: xx-Idle-up2
3:xx-Idle-up3
4:xx-Idle-up4
5:xx-normal
6:xx-thrhold

In that order thr-hold has highest priority and will overide any of the
others
when you hit the seperate thr-hold switch.If you are already in your new
idle ups (on another switch of your chosing) and you then switch the
usual 3 position switch back to normal mode it is higher priority and
should overide the new modes you are already in.The trouble now is that
because you have two extra modes you'll need them on another 3 position
switch so you can drop back to idle -up1 &2 by dropping back to the
first switch position on the new switch for the extra modes
.Also in all the new conditions and in fact for ALL the conditions you
use you'll need to define the hold switch with the condition menu item
HLD.Re-ordering the conditions in the model memory condition list isn't
particularly easy either and it's very easy to make mistakes,you have to
make a note of it's condition number and then edit the condition to use
new switches+ their active position/s and also the pitch & thr curves +
any other condition settings where relevent.
CHD from the front screen should always work as it won't allow you to
enter condition hold unless the throttle is below a certain %tage.If you
have condition hold defined to a seperate switch then i think the
priority ordering will apply

I hope i have the info right about the per model memory condition
priority,i know i've read it somewhere but i can't find it in the book
when i look now . Maybe i just didn't program the right switches and
define HLD switch.It does my head in just thinking about it now , i ran
into "issues" when i was trying to add just 1 extra flight mode but that
was a few years ago and i can't remember now what the exact issues
were.My advice would be to use idle-up1 for testing your collective flat
spots or whatever and compare it with idle-up2 ie use idleup2 for
your main flying and idle up1 for testing/comparisons


Martin>>
08-19-2002 Over year old.
 
 
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Radio - Servo - Gyro - Gov - Batt > 9Z and extra flight modes
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