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Teradek RT

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Ctrl.3 questions

Just started playing with my new Ctrl.3 from the group buy and wanted to troubleshoot some stuff. It seems that the focus response cuts out randomly around 20 feet away sometimes but this only seems to be when there's a wireless tx or a lot of metal around. Wanted to see if there's any advice on possibly which channel/frequency to switch to so this doesn't happen? Also sometimes it will randomly auto calibrate, not sure if that's a power issue maybe? Any tips would be much appreciated, thank you!

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John Geoghegan
John Geoghegan
Sep 27, 2021

@Peter Kelesis have you changed the wireless power setting? This can be found in the menu under WIRELESS, POWER. It may be your system is set to LOW. Our systems use FHSS

The transmitter hops a very large number of times per second between 43 narrow (1.07 MHz) channels across the entire 2400 - 2483.5 MHz frequency range.

Changing the user-selectable “Channel” does not restrict the emission to any part of the 2.4GHz range: it only changes the pseudo-random hop sequence.

Therefore: the effective emission on any single part of the 2400 - 2483.5 MHz range is extremely small.

Any interference with other devices will be slight and consistent: the device will raise the noise-floor of other devices operating in the 2.4GHz range very slightly but will never interfere in a significant way.

The interference will not change (get better or worse) regardless of which “Channel” the RTMotion device is set to, because this will not change the emission profile; only the order of the pseudo-random hop sequence. Regarding the re-calibrating. How are you powering the system? If not directly from a battery 7-18V (Do Not Power Directly from a TB50), the motors draw can exceed certain limited power outputs. While from a battery is the desirable power source there are torque limiting setting in the MOTORS section of the menu where the user can limit the motor draw that can assist in staying under a limited source ceiling. Please reach out if you require further assistance.

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