beautypg.com

Futaba 8J User Manual

Page 84

background image

83

OFFSET

: Optional separate trims in addition to those for the normal condition. This function is used to automatically change

WKH WULP RI D KHOLFRSWHU )RU H[DPSOH ZKHQ WUDQVLWLRQLQJ IURP KRYHU WR À\LQJ DW KLJK VSHHG D FORFNZLVHURWDWLRQ URWRU
helicopter tends to drift to the right at high speeds, so an aileron offset may be applied to offset the helicopter to the left.
The necessary elevator offset varies with model geometry, so it must be determined by noting collective pitch changes at
high speed. The rudder offset is affected by both revo. mixing and trim lever movement while in the offset function.

Adjustability:
‡ &RPSOHWH VZLWFK DVVLJQDELOLW\ SOXV D CONDITION SELECT option that creates/

VZLWFKHV EHWZHHQ LQGLYLGXDO WULPV IRU HDFK RI WKH LGOHXSV

‡ :KHQ OFFSET is active (its switch is on), moving the TRIM LEVERS adjusts

the stored offset, not the trims in the normal condition.

‡ :KHQ OFFSET is inactive (its switch is off), the OFFSET and any trim adjustments

WR LW KDYH QR HIIHFW PRGHO REH\V WKH WULP VHWWLQJV RI WKH FXUUHQWO\DFWLYH ÀLJKW
condition.)

‡ :KHQ OFFSET LV LQKLELWHG WULP DGMXVWPHQWV PDGH LQ DQ\ ÀLJKW FRQGLWLRQ DIIHFW

DOO ÀLJKW FRQGLWLRQV

‡ 5DSLG MXPSV FDXVHG E\ ODUJH RIIVHWV FDQ EH VORZHG XVLQJ WKH DELAY function.

*During OFFSET operation, the aileron, elevator, and rudder travels are displayed on each trim

display in the Startup screen.

NOTE: 5HPHPEHU RIIVHWV DQG UHYR PL[HV DUH QRW UHFRPPHQGHG ZKHQ XVLQJ KHDGLQJKROG$9&6 J\URV EHFDXVH WKH\
FRQÀLFW ZLWK WKH DXWRPDWLF FRUUHFWLRQV WR WULP DQG WRUTXH WKDW $9&6 SURYLGHV

GOAL of EXAMPLE:

STEPS:

INPUTS:

Set up separate trims for each of the
WKUHH LGOHXS FRQGLWLRQV

$GMXVW WKH LGOHXS UXGGHU WULP WR
correct for torque at high speeds.

Open the OFFSET function.

for 1 second.

to OFFSET.

Activate the function.

to MIX.

to OFF or ON.

Change switch setting to Cond.
(No need to change SW.)

already Cond.

Select IDL2.

to No.

to IDL2. or for 1

second to IDL2.

Adjust trim settings as needed.
(Ex:rudder to +8%.)

to RUDD.

to +8%.

&ORVH PHQXV DQG FRQ¿UP GLIIHUHQFH LQ
WULPV EHWZHHQ QRUPDO DQG LGOHXS

E 7 - + R U G ( T 8 J A ) f r o m

NORMAL

to IDL2 &KHFN WKDW UXGGHU WULP

changes.

Where next?

DELAY

: see p. 84.

THR-HOLD

: see p. 80.

6HWWLQJ XS WKH ,GOH8SV 7KURWWOH DQG &ROOHFWLYH SLWFK &XUYHV DQG 5HYR 0L[LQJ
(THR-CURVE, PIT-CURVE, REVO. MIX IRU LGOHXSV VHH S