Futaba 8J User Manual
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Dual/triple rates and exponential (D/R,EXP): assigns adjusted rates and exponential.
Dual/Triple Rates: UHGXFHLQFUHDVH WKH VHUYR WUDYHO E\ ÀLSSLQJ D VZLWFK 'XDO
rates affect the control listed, such as aileron, not just a single (ex: channel 1)
VHUYR )RU H[DPSOH DGMXVWLQJ DLOHURQ GXDO UDWH ZLOO DIIHFW ERWK DLOHURQ VHUYRV
when using FLAPERON or AIL-DIF DQG ERWK DLOHURQ DQG HOHYDWRU VHUYRV¶ WUDYHO
when using AILEVATOR or ELEVON or a CCPM helicopter.
Activation:
$Q\ SWITCH, A-H ,I \RX FKRRVH D SRVLWLRQ VZLWFK WKHQ WKDW GXDO UDWH LQVWDQWO\ EHFRPHV D WULSOH UDWH VHH H[DPSOH
Adjustability:
5DQJH
ZRXOG GHDFWLYDWH WKH FRQWURO FRPSOHWHO\ ,QLWLDO YDOXH
$GMXVWDEOH IRU HDFK GLUHFWLRQ ACRO LH 8SGRZQ OHIWULJKW ([ 0RVW PRGHOV À\ XSULJKW ZLWKRXW DQ\ HOHYDWRU WULP
EXW UHTXLUH VRPH GRZQ HOHYDWRU ZKHQ LQYHUWHG MXVW WR PDLQWDLQ OHYHO ÀLJKW %\ LQFUHDVLQJ WKH GRZQ WUDYHO E\ WKH DPRXQW
required to hold the model inverted, the model now has equal travel available from level upright or level inverted.)
Exponential: FKDQJHV WKH UHVSRQVH FXUYH RI WKH VHUYRV UHODWLYH WR WKH VWLFN SRVLWLRQ WR PDNH À\LQJ PRUH SOHDVDQW
XVH THROTTLE CURVE instead). (ACRO type—throttle EXP and THROTTLE CURVE cannot be activated simultaneously). Why
XVH H[SR" 0DQ\ PRGHOV UHTXLUH D ODUJH DPRXQW RI WUDYHO WR SHUIRUP WKHLU EHVW WULFNV +RZHYHU ZLWKRXW H[SRQHQWLDO WKH\
DUH ³WRXFK\´ DURXQG QHXWUDO PDNLQJ WKHP XQSOHDVDQW WR À\ DQG PDNLQJ VPDOO FRUUHFWLRQV YHU\ GLI¿FXOW $GGLWLRQDOO\ E\
VHWWLQJ GLIIHUHQW H[SRQHQWLDOV IRU HDFK UDWH \RX FDQ PDNH WKH HIIHFWLYHQHVV RI VPDOO FRUUHFWLRQV VLPLODU LQ HDFK UDWH DV LQ
our example below.
The best way to understand exponential is to try it:
+DYLQJ PDGH QR FKDQJHV \HW LQ WKH D/R,EXP screen, move SWITCH A WR ³GRZQ´ WRZDUG WKH THROTTLE/RUDDER
STICK).
&XUVRU GRZQ WR EXP DQG GLDO WR $OVR QHHG WR PRYH WKH VWLFN FRQWUROV WR KLJKOLJKW WKH VLGHV \RX ZDQW WR VHW
0RYH SWITCH D XS +ROG WKH RUDDER STICK DW VWLFN DQG PRYH SWITCH D down.
1RWLFH KRZ PXFK OHVV WUDYHO WKHUH LV
*R WR VWLFN DQG UHSHDW 1RWLFH KRZ WKH WUDYHO LV PXFK FORVHU LI QRW LGHQWLFDO
Adjustability:
0RUH VHQVLWLYLW\ DURXQG QHXWUDO SRVLWLYH H[SRQHQWLDO VHH H[DPSOH
/HVV VHQVLWLYLW\ DURXQG QHXWUDO QHJDWLYH H[SRQHQWLDO VHH H[DPSOH
$GMXVWDEOH IRU HDFK GLUHFWLRQ ACRO)
)RU WKURWWOH H[SRQHQWLDO LV DSSOLHG DW WKH ORZ HQG WR KHOS QLWUR DQG JDVROLQH HQJLQHV KDYH D OLQHDU WKURWWOH UHVSRQVH VR WKDW
HDFK VWLFN LQFUHDVHV HQJLQH 530
RI WKH DYDLODEOH UDQJH ,Q PRVW HQJLQHV WKLV UDQJHV IURP
Special note for helicopters: +HOLFRSWHU PRGHO W\SHV KDYH MXVW D VLQJOH UDWH IRU HDFK VZLWFK SRVLWLRQ UDWKHU WKDQ D UDWH
IRU HDFK VLGH RI WKH VHUYR¶V WUDYHO SHU VZLWFK SRVLWLRQ $GGLWLRQDOO\ VHWWLQJ WKH D/R,EXP for each switch position requires
FXUVRULQJ EDFN WR WKH No. VHWWLQJ DQG FKDQJLQJ WKH VZLWFK SRVLWLRQ KHUH -XVW ÀLSSLQJ WKH VZLWFK GRHV QRW DIIHFW WKH VFUHHQ
VHWWLQJ DOORZLQJ GXDO UDWHV WR EH DVVLJQHG ZLWK LGOHXS DQG RWKHU IHDWXUHV RQ FHUWDLQ VZLWFKHV DQG GRHV QRW UHTXLUH SXWWLQJ
WKH PRGHO LQ WKDW FRQGLWLRQ WR PDNH PRGL¿FDWLRQV
Special note for conditions: The helicopter programming offers you the choice of Cond. This option allows you to have
D VHSDUDWH UDWH IRU HDFK RI WKH FRQWUROV DXWRPDWLFDOO\ VHOHFWHG ZKHQ FKDQJLQJ FRQGLWLRQV IRU D WRWDO RI ),9( UDWHV
available.
Simply change the switch choice to Cond and then:
+(/, SUHVV WKH JOG KEY to toggle through the 5 conditions while setting the rates.