HITEC Focus 4 Operation Manual Download Page 3

A. Transmitter

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4 channel P.P.M/F.M transmitter

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AMA listed 1991 F.M system and RCMA gold stickered transmitters.

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High quality precision gimbal stick with adjustable length & tension.

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All channel servo reversing

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ATV for aileron, elevator, rudder, throttle

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Trainer system

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Innovative "MASTER-STUDENT' trainer cable system
Operating system          

: 2 stick system

Module change system     : Internal module system
Power supply            

: 9.6V (8 Ni-CAD batteries)

Current drain             

: 150mA (13.5) -130mA (10.8)

B. Receiver (Ultra series)

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X-TAL interchangeable

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Ultra narrow band width for maximum adjacent channel rejection.

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Minimized 2nd & 3rd order intermodulation

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Metallic noise proof
Intermediate frequency   

: 455 KHz, 10.7 MHz

Power supply            

: 4.8V (4 NiCd battery) AA size

Current drain             

: 22mA

Dimensions              

: 37 x 61x22 mm (1.5" x2.4" x0.9")

Weight                  

: 45.50g(1.66oz)

Receiving range           

: 1,000 ft or greater in the air

Working voltage         

: 3.7-7.0V

C. Servo

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Top oilite bearing prevents wearing out of the top plastic case

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Indirect drive for gear train protection

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Hitec custom designed 1.C with narrow dead band & high trackability

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SMT(surface Mount Technology) circuitry adopted.

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Precise & sturdy heavy duty gears improve high neutral position and
minimal backlash.
Control system             

: + pulse width control (1550 uS/N)

Operating angle           

: One side 45deg or more (including trim)

Power supply            

: 4.8V (4 NiCd) or 6V (4 alkaline battery) AA size.

Current drain            

: 8mA at 6.0V (stopped)

Output torque           

: 3.0kg/cm (41 oz in)

Operating speed        

: 0.21 sec/60deg

Dimensions              

: 41x20x36mm (1.6x0.8"x 1.4")

Weight                  

: 1.51oz(43g)

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2. Features & specifications

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