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GyrosettingCGY770R
GovernorBasic
This menu sets the governor’s fundamental functions. The menu Servo limit point set-
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"
Governor Basic
"
screen from the
"
BASIC MENU
"
screen.
Note:Whenusingthegovernorfunction,be
suretomakeeachsettingof"GovernorBasic".
Note:Aftercompletingthelinkageofthethrot
-
tle,besuretosetthe"Servolimitpointsetting"
first,andthensettheotherfunctions.
(1) Governor: Governor active
SetthegovernoroperationmodeofCGY.Theinitialsettingis"ACT(ac-
tive)"where,asthedesignationimplies,thegovernorisactive.Ifyoudo
notwanttousegovernor,select"INH(Inhibit)".
Setting:ACT(Active)/INH(Inhibit)Initialsetting:ACT
(2) Gear Ratio:
Inputthemainrotorgearratiobypushingthe"GearRatio"buttonto
selectthedesiredworkingmode.
Settingranges:1.00~50.00
tInitialvalue:8.00
t
Notes:
•Ifthegearratioisnotproperlyset,the
setspeedandactualenginespeed
willbedifferent.
•Thegearratioshouldbegiveninthe
helicopterinstructionmanual.Ifthe
helicopterinstructionmanualdoes
notgivethegearratio,calculatethe
gearratioasfollows:
Rotor
main gear
N1
Engine
nion gear
N2
Gearratio=N1/N2
Carryvalueslessthan1/1000tothe
nextwholenumber.
(3) Pole Num.: Pole number
Thisparameterisusedwhenusingadirectphasesensorattachmentto
abrushlessmotorlead. Inputthemotorpolecount asspecifiedby the
brushlessmotormanufacturer.Whenusinganyrevolutionsensorother
thanadirectphasesensortype,setthepolenumberto2
p.
Note:Fornitrouse,setto2
p.
Note:TheinputsignalrangeoftheCGYis0.0
v-3.0
v.Exceedingthisvolt-
agerangemaycausedamagetotheCGY.
Settingranges:2-24
PInitialvalue:2
P
(4) Servo Type
Selectthethrottleservotype.Digitalservosofferthebestresponse.
Setting:Analog/DG:1520Initialsetting:Analog
WARNING
TheservotypeparameterwithintheCGYmustmatchthetypeofservo
youareusing.Incorrectsettings maydamagetheCGYortheservo. An
incorrectsettingmayalsoresultinthelossofcontrolduringflight.
(5) RPM set.: RPM setting
SettingthemainrotorRPM.Thisiscalculatedbyenginerevolutionwith
thegearratioofthemainshaft.
Whentherotationspeedcanbesetwiththegovernormixingfunctionof
thetransmitter,itisnecessarytofirstmatchthedisplayrpmvalueof1-2-
3of"RPMSet"withthedisplayrpmvalueofthetransmitter.
Settingranges:off/700~4,000
rpmInitialvalue:1,000
rpm
*Tosetlowerthan1,000
rpm,set"Low.Revo"of"GovernorExpert"menuto700
rpm.