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What is a Hand Unit?

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Hand Unit Products

 
Single-Control
Hand Unit
JMI MOTOFOCUS, MOTODEC & Focusers



HUSC
$69

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Single-Control Hand Unit for JMI MOTOFOCUS, MOTODEC and Focusers

The single-control (controls one motor) linear voltage control (LVC) hand unit includes two forward and reverse buttons (red) and a two-position slow-speed switch (black).  The slow-speed switch adjusts from high (left) to low (right).  The system automatically changes from slow speed to fast speed when one of the forward or reverse buttons are held down for two seconds or more.  This effectively gives the hand unit three speeds very slow (1), slow (1.5 times faster) and very fast (5 times faster).  The system includes a 1/8" jack, quick-stop braking and a 9-volt alkaline battery.  It can control MOTOFOCUS, MOTODEC, EV, NGF and RCF motors.  This hand unit gives the best control of any system ever manufactured by JMI.

NOTE

The hand unit has two switch-adjustable slow speeds which normally ramp up to a fast speed after two seconds.  Placing the slow-speed switch between the two normal positions (high and low) will cause the speed selection to be overridden and the motor will run at very fast speed (5) at all times.

 

 
Dual-Control
Hand Unit
JMI MOTOFOCUS, MOTODEC & Focusers



HUDC
$85

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Dual-Control Hand Unit for JMI MOTOFOCUS, MOTODEC and Focusers

The dual-control (controls two motors) linear voltage control (LVC) hand unit includes the same functionality found in the single-control hand unit (forward and reverse buttons, a two-position slow-speed switch, quick-stop braking and a 9-volt alkaline battery).  It also includes two 1/8" output jacks and a switch to select the active jack.  It is designed to easily control two motors, such as MOTOFOCUS and MOTODEC, from one hand unit.

 
Coiled Cord
For JMI Hand Units



CBL2COIL
$19

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Coiled Cord for JMI Hand Units

Coiled cord for Single-Control or Dual-Control Hand Units.   It includes a 1/8" mono (TS) phone plug on (one or) both ends.  The coiled cable normally plugs into a jack on the hand unit and a jack on the motor.

 
5' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$40

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10' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$41

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15' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$42

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20' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$43

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25' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$44

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30' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$45

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40' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$47

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50' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$49

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60' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$51

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70' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$53

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80' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$55

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90' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$5
7
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100' Extension Cable
Add Extra Length to the Standard Coiled Hand Unit Cord



CBLHUEXT
$59

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Extension Cable for JMI Hand Units

Extension cable for adding length to the standard coiled hand unit cord (above).  It includes a 1/8" mono (TS) phone plug on one end and a 1/8" in-line mono (TS) phone jack on the other end.  The extension cable can be inserted between the standard coiled cord and the hand unit or between the coiled cord and the motor.  The extension cable is available in 5 foot lengths up to 100 feet.


What is a Hand Unit?

Our standard motor-control Hand Units or Hand Controls have forward and reverse buttons that operate all of our MOTOFOCUS and MOTODEC motors as well as all of our EV, NGF and RCF Focuser motors.  Every hand unit includes an electronic brake for instant stopping when you release the button.


Customer Comments

"My new single-control hand unit is much better than the original.  Everyone should upgrade."  (T. H.)

"... BTW, I did tell the guys at the RTMC table that if they were to come to my house and shout JMI, most of my astronomy stuff would come to attention and salute!  ..."  (D. L.)


Frequently Asked Questions (FAQ)


Q. Questions?
A. No FAQs at this time.  Let us know if you have any suggestions.