NEWTON S
11
SYSTEM OPERATION MANUAL
switches, fiber-converters and fiber cable, or ethernet-over-radio
or WLAN links. Once the physical
connectivity is established use the settings in section
to establish a connection between the units.
The ethernet traffic between Newton S and Newton C1 can be shared with other traffic such as
camera control, however make sure this does not negatively impact the control latency before operating
the Newton S in a live production.
3.7
TUNING
When setting up the Newton S, after attaching the camera and carefully balancing it, the remote head
needs to be tuned for the specific setup to get good stabilization and avoid vibrations. The tuning
depends on the mass distribution of the whole camera and lens package (including any other devices
attached to it) so while general guidelines and rough values can be provided for a specific setup, a full
tuning is still required after each assembly of the system.
Tuning is done through the user interface on the Newton C1 controller, in the settings menu,
RMT
SETTINGS
tab. For each axis there are three principal tuning parameters and one auxiliary parameter,
namely:
P
Controls how strongly a disturbance or steering input is compensated. The main tuning parameter
I
Compensates for residual errors on longer movements
D
Dampens reaction to quick external disturbances
Pos Gain
Controls how quickly the head returns to correct position after a larger deviation. Normally
no need to tune this
The recommended procedure for tuning the Newton S is as follows:
1. Make sure the remote head and camera is balanced and that nothing is loose or rattles
2. Set the P, I, and D for all axes to a low value. A good starting point is (4, 0.05, 0) for tilt, (3.5,
0.05, 0) for roll and (8, 0.05, 0) for pan. Let Pos Gain be at default value of 6
3. Doing one axis at a time, in the order tilt, roll, pan, tune
3.1 Increase P until a high frequency oscillation begins, then back down to
80
% of the value.
Use the controller and move the axis from endpoint to endpoint, if oscillations begin at
any angle reduce the P value further
3.2 Increase I until a low frequency oscillation begins, then back down to
80
% of the value.
Again check if there is any angle that is more prone to oscillation and if so reduce the I
further
3.3 Check that the head responds well to external disturbances by pressing lightly on the axis.
If the remote head is prone to oscillation when returning to the starting position, increasing
D to about 5-10 should dampen it
4. After all axes are tuned, return and check so that there is no angle more prone to oscillation. If
so, repeat the entire process for all three axes
For further information and guidance on tuning, see the Newton Nordic website where you can
find videos and other help to tune the system.
2
Newton Nordic has a number of tested links with instructions on how to use them. Contact the support hotline or your
sales contact for more information
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