FUTABA MPDX-1 User manual

• No part of this manual may be reproduced in any form without prior
permission.
• The contents of this manual are subject to change without prior notice.
• This manual has been carefully written. Please write to Futaba if you
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Before using your new MPDX-1, please read this manual thor-
oughly and use the system properly and safely. After reading this
manual, store it in a safe place.
1M23N16801
Connections and Name of Each Part of the MPDX-1
Multi-Prop Decoder
MPDX-1 Thank you for purchasing a MPDX-1 Multi-Prop Decoder.
The MPDX-1 connects to the receiver output of a 14MZor FX-40
System and expands the signal of one channel to 8 channels.
Features
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Applicable systems;
14MZsystem/FX-40 system
INSTRUCTION MANUAL
Input connector
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channel of the receiver.
Rotary switch
INC/FS push switch
DEC/HOLD push switch
Servo output connectors (1~8)
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External battery connector
(EXT.BATT)
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Mini screwdriver
Connections
1Connect the input connector to the receiver multi-
prop channel.
2Connect the servos to the output connectors (1~8).
3Connect a 4.8V battery to the external battery
connector (EXT.BATT).
Note: However, when sharing the power source with the
receiver, connect the shorting pins.
ｎCAUTION
ｊWhen the number of servos is large, we recom-
mend the use of a separate power supply.
Monitor LED
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Note: The MPDX-1 can operate with T14MZ system
software from the following version: Editor: Ver.
1.0.1/encoder: Ver. 1.31
*Verify the software version at the information window of
the system menu. If the software is a version predating
the above, update the 14MZ software by downloading
the public update file from the Futaba dealer web site.
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expanded channel.
Operation control setting/Direction of operation reversal/
Travel adjustment
*However, mixing cannot be set at a multi-prop channel.
Multi-prop function assignment
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Operation control setting:
1Open the operation setup window by pushing the
"MP CH" button of the channel with multi-prop set.
2Open the control selection window by pushing the
button of the multi-prop channel to be set.
3Select the control you want to operate.
Reverse setting:
1Open the reverse setup window of the linkage menu,
and push the SET button of the channel with multi-
prop set.
2The reverse setup window of the multi-prop channel
appears. Switch between "Normal" and "Reverse"
by pushing the SET button of the multi-prop channel you
want to reverse.
Travel adjustment:
1Open the end point (ATV) window of the linkage
menu and push the "MP CH" button of the channel
with multi-prop set.
2The end point (ATV) setup window of the multi-
prop channel opens. Press the display button (left or
right or up and down can be adjusted individually) of the
channel whose travel you want to adjust, and adjust the
rate by using the adjustment buttons at the bottom.
T14MZ Transmitter Setup
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- 2 -

MPDX-1 setting
ｎCAUTION
ｊAlways use the miniature screwdriver supplied
to operate the MPDX-1 rotary switch and push
switches.
*Do not apply excessive force while operating.
Operation mode setting
Set the operation mode to match the mode of the receiver used.
1Set the rotary switch to the "G3/1024" position.
2Switch the mode to match the type of receiver.
(PCM-G3, PCM1024, PPM mode).
*Each time the "INC/FS" (or "DEC/HOLD") push switch is
pushed for 1 second, the PCM-G3, PCM1014, and PPM
mode is alternately selected. When the LED is off, the
MPDX-1 is in the PCM-G3 mode, when the LED blinks
slowly, the MPDX-1 is in the PCM1024 mode, and when
the LED lights steadily, the MPDX-1 is in the PPM mode.
F/S mode/HOLD mode setting
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F/S mode: Servo moves to a preset position.
HOLD mode: Servo remains in its present position.
1Set the rotary switch to the "FS/SPEED" position.
2Push the "INC/FS" (or "DEC/HOLD") push switch to
turn off the LED.
*Each time the push switch is pressed, the LED toggles
between off and slow blink.
3Set the rotary switch to the channel # you want to
set to the F/S mode or HOLD mode.
When you want to set the channel to the F/S mode, move
the servo to the F/S operation position at the transmitter
side and push the "INC/FS" switch.
*When setting is complete, the LED lights.
When you want to set the channel to the HOLD mode,
press the "DEC/HOLD" switch.
*When setting is complete, the LED goes off.
Servo speed setting
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1Set the rotary switch to the "FS/SPEED" position.
2Push the "INC/FS" (or "DEC/HOLD") push switch to
slowly blink the LED.
*Each time the switch is pressed, the LED toggles
between off and slow blink.
3Set the rotary switch to the channel # whose delay
you want to set.
When you want to increase the delay, push the "INC/FS"
push switch.
When you want to decrease the delay, push the "DEC/
HOLD" push switch.
*When the delay is zero, the LED goes off, when the
delay is 4 or less, the LED blinks intermittently, and when
the delay is 5 or greater, the LED blinks intermittently
twice. The delay step is 10 steps. When maximum delay
is set, the LED lights steadily.
Rotary switch
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operation speed setting mode
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INC/FS push switch
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pushing
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pushing
DEC/HOLD push switch
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pushing
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pushing
Operation monitor indicator LED (MONITOR)
Rotary switch position
Monitor LED state
Off On Slow blink Intermittent
blink
Intermittent
double blink Single blink
FS/SPEED FS/HOLD
mode
SPEED
setting
mode
At switching
of rotary
switch
1-8
(In FS/HOLD setting mode) HOLD F/S
1-8
(In SPEED setting mode)
SPEED
setting
minimum
SPPED
setting
maximum
SPEED
setting
4 or less
SPEED
setting
5 or greater
G3/1024 PCMG3
mode
PPM
mode
PCM1024
mode
Fast blink: At FS operation, receive data error, or backup error
- 3 -

Repair Service
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•
Symptom (Including when the problem occurred)
• System(Transmitter, Receiver, Servo's and model numbers)
• Model (Model name)
• Model Numbers and Quantity
• Your Name, Address, and Telephone Number.
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©FUTABA CORPORATION 2006, 05 (1)
[MPDX-1 Ratings]
• Operation power requirement: 4.8 or 6.0V (4~5 NiCad batteries)
• Current drain: 7.5mA
• Number of multi-prop output channels: 8
• Applicable modulation modes: PCM-G3, PCM1024, PPM
• Multiplexing scheme: Pulse width division (PCM-G3, PCM1024), time division (PPM)
• Delay function: Settable for each channel
• Fail-safe function: F/S function/HOLD function can be selected for each channel.
• Weight: 14.2g
• Dimensions: 29.6x39.3x15.8mm
Special Markings;
Pay special attention to the safety at
the parts of this manual that are
indicated by the following marks.
[Symbol] ; Prohibited ; Mandatory
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.
- 4 -