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©FUTABA CORPORATION      2005,12

1M23N17001

R303FHS

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2

3

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67

8

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0 1

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3

45

67

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9

3 Channel, HRS/PPM Auto Detection,

Synthesized Receiver

Futaba R303FHS 3 Channel HRS/PPM Auto Detection 
Synthesized receiver is packed in this set. 

*Specifications are subject to change without prior notice.

R303FHS RATINGS

INSTRUCTIONS

 To install the Synthesized Receiver, make sure the power 

switch is in the "off" position.

With the supplied plastic screwdriver, carefully turn the slots in each 

dial corresponding to the channel number you wish to receive. 

Change or select the channel of the transmitter to match 

the channel you have selected.

Turn on the transmitter first and then turn on the receiver. 

To make sure everything is working properly it is advised 

that you perform a range test with the transmitter antenna 

shortest  position.  If  you  have  confirmed  that  everything  is 

working properly, then please extend the transmitter antenna 

completely when running your models. 

Output/Battery Connector

"1": CH1 output
"2": CH2 output
"3": CH3 output
"B/C": Power Supply/DSC input

Frequency Dials

Antenna

• Receiving frequency:
   (Refer to the package.)
• Intermediate freq.: 455kHz
• Power supply: 6.0V(Nicd 5 cells)

• Current drain: Approx. 95mA
• Size: 27.6x39.5x14.5mm
   (1.09x1.56x0.57in.)
• Weight: 17g (0.60oz.)

CAUTION

For Analog Servo Users;

P l e a s e   m a k e   s u r e 
that  the  transmitter's 

m o d u l a t i o n   i s   s e t   t o 
"PPM".

Otherwise, the servo may result 

in  break-down  or  cause  some 

improper operation.

Operation with  H.R.S mode;

When  use  H.R.S  mode 
always  use  following 

conditions.

Servo; 6V type Digital Servo only

Power supply; 6V Nicd battery
Transmitter setting; "HRS" mode

If  the  conditions  are  different, 

control  is  impossible.  And  Fail 

Safe Unit (FSU) is not available.

WARNING

Always use only genuine 
Futaba transmitters.

Futaba will not be responsible for 

problems caused by the use of 

other than Futaba genuine parts. 

Use  the  parts  specified  in  the 

instruction manual and catalog.

Operating Precautions;

 Once the R303FHS detect PPM mode or 

HRS  mode,  the  detected  mode  is  locked  as  long  as  the  power  is 
ON. When need to change the mode, please cycle power. Changing 
frequency-CH also needs same operation as above.

First Digit

of channel No.

Second Digit

of channel No.

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