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Can the C100 be used on a Helix Jr.?

Published on November 25, 2015 in sections Hardware, Helix Jr.

The Helix Jr. was initially designed for DSLRs, but we’re finding that some users, with a little work, are extending this range of cameras significantly.  Here’s the story of one user and the way he customized his setup to make his C100 work with his Helix Jr.:

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How to balance a GH4 on the Helix Jr.

Published on November 15, 2015 in sections Hardware, Videos

This video on balancing applies to any smaller camera using the Helix Jr. base plate.

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How do I use the Letus Helix iOS app to change settings on my Helix

Published on November 15, 2015 in sections Letus Helix App, Software, Videos

The video below shows how to use the Letus Helix app (version 1.3.3) to change the settings on the Helix/Helix Jr.

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Can I make my own power cables?

Published on November 2, 2015 in sections Hardware, Letus Helix

We recommend getting cables directly from us or (note: we have no affiliation with Media Blackout). If you are handy with a soldering iron and would rather build your own cables, here are the model numbers of the LEMO connectors used: FGG.0B.302 for male connector EGG.0B.302 for female connector Also, be sure to read up on the US Power […]

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How do I get the joystick to work?

Published on April 23, 2015 in sections Hardware, Letus Helix

The optional analog joystick allows you to manually control 2 axes of the Helix / Helix Jr. To use the joystick, plug it into the “Joystick” port on the back of the Helix. Activate it by depressing the joystick while centered. This acts as the menu button and will toggle your motors on/off. Press it […]

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I think I bricked my Helix during a firmware upgrade. Help!

Published on February 25, 2015 in sections Software

When the board becomes “bricked” (unresponsive to GUI), it may be necessary to manually flash the  board and load a recovery version of the firmware onto the board. The process for doing this is listed  below. If successful, this will enable the user to upgrade the firmware through the normal automatic process (i.e. this process […]

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How to bind a RC Radio to the Helix (AR6100e receiver)

Published on February 22, 2015 in sections Hardware, Letus Helix

Note:  This article applies only to Helixes with the AR6100e RC receiver which were installed in Helixes prior to November 2o15.  If you have the Spektrum satellite receiver (installed starting in November 2015), you should refer to the article for that receiver.  Note that all Helixes with the satellite receiver should have a sticker in […]

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How to install the Devitte Mount on a 3-axis Helix

Published on February 13, 2015 in sections Hardware, Letus Helix

If installed, slide the bearing back on the right hand handle. (figure a) Using a 2mm hex key wrench, remove the four screws holding the handle to the motor. (figure a) Align the 4 holes on the Devitte Mount to the corresponding holes on the Helix motor. (figure b) Using the 4 screws removed previously, secure the […]

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Do the LEMO power ports on the Helix use U.S. standard or ARRI standard orientation?

Published on January 12, 2015 in sections Hardware, Letus Helix

The Helix power input is a US standard 2-Pin LEMO plug. This means that the red dot side of the plug is positive voltage. This is the opposite of a ARRI standard 2-pin LEMO which has negative voltage on the red dot side. See diagram below. POWER WARNINGS Do NOT plug ARRI standard power cables into […]

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What are the differences between the Helix camera plates?

Published on January 12, 2015 in sections Hardware, Letus Helix

There are three Helix camera plates available. Jr. – For small, short DSLR and mirrorless cameras on Helix Jr. Standard – For midsize cameras like the Canon C100/C300 Heavy Duty – For large / long cameras like the SONY F55 and RED Special differences to note: The Helix Jr. base plate has a slot running sideways […]

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