En switch – Spektrum SPM4200 DX4C User Manual
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SPEKTRUM DX4C • TRANSMITTER INSTRUCTION MANUAL
EN
SWITCH
The Switch Screen lets you assign 5 available switches to these
special functions:
ST trim
Assigns a switch to adjust center or neutral so steering
tracks straight.
TH trim
Assigns the throttle idle adjustment to switch. Adjust
throttle neutral (idle) position for drag braking or rolling
idle for some models. Decreasing idle can enable a
drag brake. Increasing idle can keep a model rolling
until the brake is used.
Brake
Assigns brake trim to switch. Full brake is the default.
Braking power can be decreased using this trim on
some models.
Aux 1 Lin Assigns channel 3 (Auxiliary) to switch as linear output
(see servo illustration). This allows for proportional
adjustment of servo position. This is particularly useful
for fuel mixture control on gas engines.
Aux 1 2P
Assigns channel 3 (Auxiliary) to switch as 2-posi-
tion output (see servo illustration). This is useful for
forward and reverse transmissions and some 2-speed
transmissions.
Aux 1 3P
Assigns channel 3 (Auxiliary 1) to switch as 3-posi-
tion output (see servo illustration). This is useful for
forward, neutral and reverse transmissions and some
dig transmissions.
Aux 2 Lin Assigns channel 4 (Auxiliary 1) to switch as linear out-
put (see servo illustration). This allows for proportional
adjustment of servo position. This is particularly useful
for fuel mixture control on gas engines.
Aux 2 2P
Assigns channel 4 (Auxiliary 2) to switch as 2-position
output (see servo illustration). This is useful for forward
and reverse transmissions and some 2-speed trans-
missions.
Aux 2 3P
Assigns channel 4 (Auxiliary 2) to switch as 3-posi-
tion output (see servo illustration). This is useful for
forward, neutral and reverse transmissions and some
dig transmissions.
Tip: Reverse and Travel Screens adjust the endpoints and
direction of the Auxiliary channel.
ROSS
Remote start assigned to a switch.
ST D/R
Assigns Steering rate to a switch so a driver can make
on-the-fl y steering travel adjustments. Steering rate
limits the amount of travel of the steering servo.
ST GAIN
Assigns the ST Gain to a switch, enabling you to adjust
the sensitivity without using the AVC menu.
TH GAIN
Assigns TH Gain to a switch, enabling you to adjust the
sensitivity without using the AVC menu.
ST/TH GAIN Assigns the ST GAIN and TH GAIN to the same switch,
enabling you to adjust both gain values
simultaneously.
Priority
Assigns the AVC Priority to a switch, enabling you to
adjust the priority without using the AVC menu.
Inhibit
No function assigned to switch.
* LOSI ROSS (Remote Onboard Starting System)
A Box shows around selected text
B Switch letter (see transmitter illustration)
C Function assigned to the switch
Assignment of switches in other screens changes what is shown
in this screen.
The factory default switch assignments are shown here. Reset of
the transmitter returns switch assignments to these functions.
1
2
3
100
2
1
1
3P (3 position)
Lin (Linear)
2P (2 position)
C
A
B