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SET UP
Neutral, high, and brake MAX points setting
In set-up mode MC800C Ver.2 stores every step when you press the Set-up button. All the
settings are stored in the unit even when the speed control is subsequently disconnected from
the battery. Set up the following basic functions on your transmitter (if present):
• High ATV, EPA (throttle travel) - maximum
• Low ATV, EPA, ATL (brake travel) - maximum
• EXP, EXPO (exponential) - start with 0
• SUB trim (neutral trim) - center
• TH trim - center
• Throttle reverse (servo reverse) - any setting; must not be changed after completion of
set-up procedure.
• Asymmetrical stick travel is possible (2/3 throttle - 1/3 brake)
If your transmitter does not feature these set-up functions, it is already in "basic set-up" mode.
Remove the motor pinion, or ensure in some other way that the wheels of the model are free
to rotate.
1
Turn on the power in following order.
• Switch the transmitter on.
• Set the transmitter throttle stick to neutral, and then switch the speed control on.
2
Hold the SET button pressed in for at least 3 seconds using the
small screwdriver supplied.
• The SET LED flashes red, to indicate that the unit is in set-up mode.
It continues flashing until the set-up procedure is completed.
Transmitter throttle operation
SET button operation
3
Neutral
point
Press SET button
setting
Neutral state
N
4
High
point
Press SET button
setting
Full high state
N
5
Brake MAX
point
Full brake state
Press SET button
setting
N
• This completes the set-up procedure. Check the operation by the following "CHECKER
LED DISPLAY." When throttle operation and the CHECKER LED DISPLAY are not
correct, set up again from the first step.
• If you make a mistake during the set-up procedure, don't worry: switch MC800C off for
about 10 seconds and start again from the first step.
DIGITAL VARIABLE MODES SETTING
Power Control 2, Hyper Brake, and Neutral Brake settings
You can change the Mode settings as described below.
1
Turn on the power in following order.
• Switch the transmitter on.
• At race events you usually do not have access to your transmitter. In this situation it is
possible to adjust the speed control's settings without the transmitter signal. All you have to
do is disconnect the receiver lead (attached to the speed control) from the receiver. (In this
case, remove the motor pinion, or disconnect the motor.)
• Switch the speed control on.
2
Hold the MODE button pressed in for at least 3 seconds using the
small screwdriver supplied.
• The Mode LED flashes green to indicate that you have selected 'Power Control' mode.
MODE button
MODE
operation
LED
3
•The MODE LED flashes
green to indicate that you
Power
have selected 'Power
Control 2
Control' mode.
•You can adjust the
mode
value by pressing
setting
the SET button.
•Press the Mode
button again to
move to the
next mode.
4
•The MODE LED flashes
red to indicate that you
Hyper
have selected 'Hyper
Brake
Brake' mode.
mode
•Press the SET
button to change
setting
the value.
•Press the Mode
button again to
move to the
next mode.
5
•The MODE LED flashes
red/green to indicate that
Neutral
you have selected 'Neutral
Brake
Brake' mode.
mode
•Press the SET
button to change
setting
the value.
•Press the MODE button
again to complete the
programming procedure
and return to the normal
mode of operation.
Power Control 2 set value:
Default settings:
1: for low grip
MC800C Ver.2 speed controls are supplied factory-adjusted.
2: for off-road
The default setting is this:
3: for touring car
•Power Control 2 = 2
4: load adaptive mode
•Hyper Brake = 2
5: for stock racing
•Neutral Brake = 0
If you lose track of the modes during the set-up procedure, you
(*1)According to the setting of Neutral
can reset the speed control to the default settings. With the
Brake, the range of Hyper Brake which
transmitter switched on, hold the SET button pressed in while
can be set up changes. For example,
you switch on the speed control. This action returns the unit to
when Neutral Brake is set as the level
the factory settings.
2, the setting range of Hyper Brake
serves as levels 2-5.
FUTABA CORPORATION
MC800C Ver.2
MODE LED
SET LED
MODE LED
SET LED
flashes green
flashes red.
and the motor
beeps.
once.
MODE LED
SET LED
flashes red.
flashes red.
once.
MODE LED
SET LED
glows red.
glows red.
once.
SET button
SET LED
operation
•You can check the set value (1-5) by
counting the flashes of the red SET
LED (one flash equals value 1, two
flashes value 2 etc.)
1
2
3
4
Flash number
Set value
1
2
3
4
Power level
Min
Max
(Smooth)
(Mega punch)
•The SET LED now shows the stored
value again.
Flash number
0
1
2
3
4
Set value
0
1
2
3
4
Brake
Linear
(*1)
(Progressive)
•The SET LED shows the stored value
again.
Flash number
0
1
2
3
4
Set value
0
1
2
3
4
Brake
Off
(Strong)
Makuhari Techno Garden Bldg., B6F 1-3 Nakase, Mihama-ku, Chiba 261-8555, Japan
START ACCELERATION FUNCTION
Start Acceleration function setting
• Activate Start Acceleration by holding transmitter at full brake for 5 sec before start.
This system shortens the speed control's response time at start time, with the result that you
have more acceleration available.
CHECKER LED DISPLAY
Relationship between amp operation and checker LED display
The MC800C Ver.2 operating state can be checked with the checker LED as shown below.
Operation
High
point
Forward
Neutral
point
Brake
Brake MAX
point
TROUBLE-SHOOTING GUIDE
Symptom
Cause
Steering servo
Set-up/basic settings problem
works,
but no motor
function.
Speed control connected to wrong
receiver channel
Motor defective
Motor brushes stuck
Wiring problem
Speed control defective
No steering
Receiver plug incorrectly wired
servo function or
Crystal faulty
motor function
Receiver faulty
Transmitter faulty
Speed control damp, protective
circuit tripped
Receiver power supply circuit faulty
Motor does not
Transmitter throttle polarity
run when throttle
(direction) has been changed
is advanced;
motor runs when
braking
No brake
Set-up/basic settings problem
function
Speed control faulty
Poor braking
Set-up/basic settings problem
effect
Motor pinion/reduction ratio too
large
Insufficient top
Problem with set-up/basic settings
speed
Transmitter has been changed
after speed control set-up, or has
changed its own settings.
Poor
Motor faulty, brushes sticking
acceleration
Speed control
Inadequate cooling
overheats
Motor too powerful, or input voltage
too high
Motor pinion/reduction ratio too
large
Car drive/bearing system problem
Motor run too often without cooling
period.
Motor does not
Damp in speed control
stop; continues
running slowly.
Set-up/basic settings problem
5
Speed control faulty
5
Radio
Motor inadequately suppressed
interference
Receiver or antenna too close to
power cables, motor, battery or
speed control;
Receiver antenna too short, or
coiled up.
Receiver fault
Transmitter or transmitter module
fault
Servo fault
Crystal fault, or crystal not correct
type
5
Power cables too long, red power
5
cable connected incorrectly.
Max
Connector contact problem.
Transmitter battery/cells flat
Transmitter antenna too short
Imprecise, non-
Transmitter battery/cells flat
linear control
Transmitter or transmitter "car
characteristics
program" has been changed.
5
5
Max
Special Markings
Pay special attention to the
safety at the parts of this
manual that are indicated by
the following marks.
Symbol:
; Prohibited
; Mandatory
Phone: (043) 296-5118 Facsimile: (043) 296-5124
Checker LED display
On (green)
On (red)
On (green)
*Becomes brighter nearer
Off
the high point.
Off
On (red)
On (red)
Off
On (red)
*Becomes brighter nearer
Off
the MAX point.
On (red)
On (red)
Remedy
Repeat basic speed control set-up procedure from start; to store
the function correctly you must hold stick in full-throttle position
while you press the set-up button.
Note also that all transmitter functions must be set as described
in the instructions.
Speed control must be connected to Ch.2; check polarity of
receiver lead.
Fit new motor.
Check that carbon brushes are free to move.
Check cables and connectors.
Send unit in for repair.
Check polarity of receiver plug.
Replace components one by one to locate fault.
Switch off immediately, allow speed control to dry out.
Check BEC output voltage, or send unit in for repair.
Simply repeat speed control set-up procedure
Leave transmitter stick direction unchanged
Repeat basic speed control set-up procedure from start;
see also "Motor does not run" point.
Send unit in for repair.
Repeat basic speed control set-up (see above), or reset Low ATV,
EPA, ATL on transmitter to maximum.
Fit smaller motor pinion.
Repeat basic speed control set-up procedure from start; see also
"Motor does not run" point.
Try different motor, free up brushes
Cut cooling openings in bodywork.
Use less powerful motor, or battery with lower voltage/fewer cells.
Fit smaller motor pinion.
Check or replace components.
Allow speed control to cool off after each full run.
Disconnect battery immediately, dry speed control with heat-gun
(hot air).
Repeat basic speed control set-up procedure.
Send unit in for repair.
Solder capacitors to motor.
See "Installation".
Replace components one by one to locate fault.
Use original crystals only.
See "Wiring" and "General installation notes".
Check connectors.
Replace dry cells, recharge NC pack.
Extend transmitter antenna fully.
Check transmitter battery regularly.
Repeat basic speed control set-up procedure.
Mark
Meaning
Procedures which may lead to a dangerous
condition and cause death or serious injury to
the user if not carried out properly.
Procedures which may lead to a dangerous
condition or cause death or serious injury to
the user if not carried out properly, or
procedures where the probability of superficial
injury or physical damage is high.
Procedures where the possibility of serious
injury to the user is small, but there is a
danger of injury, or physical damage, if not
carried out properly.
©FUTABA CORPORATION
at Normal Brake
at Neutral Brake
2004, 5
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