37
Engine idle management:
IDLE-DOWN
and
THR-CUT
IXQFWLRQVZKLFKZRUNZLWKWKHGLJLWDOTHROTTLE TRIM to provide
a simple, consistent means of engine operation. No more fussing with getting trim in just the right spot for landings or
WDNHRIIV)RUDGGLWLRQDOHQJLQHDGMXVWPHQWVVHH
THROTTLE-NEEDLE
(p. 62) and
THROTTLE DELAY
(p. 63).
IDLE-DOWN
(
ACRO
RQO\ORZHUVWKHHQJLQHLGOHIRUVLWWLQJRQWKHUXQZD\SULRUWRWDNHRIIVWDOOVDQGVSLQVDQGODQGLQJV
7KHQRUPDOLGOHVHWWLQJLVDOLWWOHKLJKHUIRUHDVLHUVWDUWVDQGVDIHÀLJKWVZLWKOHVVULVNRIGHDGVWLFNV
Important note: The
IDLE-DOWN
function is not normally used when starting the
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warns that
IDLE-DOWN
is on when the transmitter is turned on. Be sure to turn off
WKHIXQFWLRQRURYHUULGHWKHZDUQLQJE\SUHVVLQJWKHDQGNH\VIRURQH
second simultaneously.
This may be assigned to any switch/position. Some modelers accidentally assign
IDLE-DOWN
to one side of a switch
and
THR-CUT
WRWKHRWKHU7KHUHLVQR³QRUPDO´VHWWLQJWRVWDUWWKHHQJLQH%\GHIDXOW
IDLE-DOWN
is set to SWITCH C
FHQWHUDQGGRZQ7KLVZRUNVZHOOZLWK
THR-CUT
also on SWITCH CGRZQ7KH6:,7&+XSLVQRUPDOÀLJKWVWDUWLQJ
center for slower maneuvers/landing, and down to cut the engine. If you assign
IDLE-DOWN
or
THR-CUT
WRWKHVSULQJ
loaded
TRAINER
SWITCH F (8JA) or H-+WKHQXVHWKHWUDLQHUIXQFWLRQ\RXPD\ULVNORVVRIWKURWWOHFRQWURORU
GHDGVWLFNIRU\RXUVWXGHQW
GOAL of EXAMPLE: STEPS: INPUTS:
Decrease the throttle setting to idle
with the flip of a switch for spins and
landings.
Open
IDLE-DOWN
function.
for 1 second.
to
IDLE-DOWN
.
Activate the function.
to
MIX
. to
OFF
.
With THROTTLE STICK at idle, adjust
the rate until engine idles as desired.*
THROTTLE STICK.
to
RATE
. until engine idles
as desired.
Optional: change switch assignment.
Choose desired switch and position.
to
SW
. to desired SWITCH.
to
POSI
. to desired position.
Close.
Where next?
THR-CUT
: see p. 38.
1RUPDOO\DYDOXHRI6HFXUHWKHIXVHODJHHQJLQHUXQQLQJ6HWWKHTHROTTLE STICK to idle. Adjust the
IDLE-DOWN
UDWHZKLOHÀLSSLQJWKH
VZLWFK21DQG2))XQWLOWKHGHVLUHGLGOHLVDFKLHYHG%HVXUHWRWKURWWOHXSSHULRGLFDOO\WRDOORZWKHHQJLQHWR³FOHDQRXW´DQGLGOHUHOLDEO\