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ARRI TRINITY 2, Quick Manual

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ARRI TRINITY 2 Quick Manual Download Page 19

TRINITY 2 balance quick guide

19

Vertical Balance

After the center of gravity COG of the camera has been set in the TRINITY 2

head, the camera is the 

reference

 for the following 

adjustment.

Do not move the camera fore or aft from the previously 

determined neutral position! (COG)

Fore and Aft
► Bring the TRINITY Rig back into the vertical position. 

► Open the 19mm rod clamp at the battery hanger and move the en-

tire assemble (rods, batteries and the RCP-3) fore or aft till the en-

tire rig reaches a

neutral vertical position

.

Check Fore and Aft
► To verify that the entire system is neutral in the vertical axis, check

that the post is in a line with the stand.

Summary of Contents for TRINITY 2

Page 1: ...TRINITY 2 Setup Q U I C K G U I D E 01 09 2022 ...

Page 2: ... the Top Stage TST 2 Bring the top stage close to the bottom of the inner post Locate the red dot on the main cable plug and socket When both marks are aligned insert the LEMO 3B plug into the socket Turn the blue docking ring with your fingers until the thread fully en gages Use the Post Tool K2 0040046 to finally tighten the Docking Ring Mount the Batteryhanger BHM 2 to the Top Stage TST 2 Unloc...

Page 3: ...ing the gim bal Lock the clamp lever The Gimbal is positioned Attach the TRINITY 2 head to the upper Post Bring the TRINITY 2 head close to the upper end of the post Ensure that the bubble at the back of the TRINITY head is pointing in the same direction as the bubble at the Top Stage Locate the red dot on the main cable plug and socket When both marks are aligned insert the LEMO 3B plug into the ...

Page 4: ... the Docking Bracket and slide the post into the park posi tion Add the 19mm Rods to the Batteryhanger BHM 2 Turn both Rod Clamp wing nuts to the left to open the clamp mecha nism Insert the desired 19mm rods with the already mounted hinge at the back Tighten both rod clamp wing nuts ATTENTION Do not over tighten when using carbon fiber rods ...

Page 5: ...able BHM 2 to TST K2 0037771 Connect the Battery mounts to the Battery Hanger Connect the RCP 3 to the Top Stage using the RCP 3 FS Can Bus Cable K2 0043883 Mount the Master Grip TRINITY Before you begin make sure the gimbal handle extension is attached to the Gimbal handle Open the clamp lever of the Mounting Bracket Place the Master Grip TRINITY on the gimbal grip as close as possible to the ben...

Page 6: ...Adapter for Small HD K2 0014832 Slide the monitor adapter on the 19mm rod and bring it in the desired position Tighten the clamp Mounting the Transvideo Starlite Monitor Remove the location pins first Place the monitor and bring it in the desired angle Tighten the screw at the back Mounting the Small HD 503 Monitor Place the monitor Bring it in the desired angle Tighten the screw at the back ...

Page 7: ...ect the MTG Monitor Pwr Lemo 0B 2pin K2 0038998 with the SmallHD monitor and with the upper LBUS Socket at the Master Grip TRINITY Connect the TRINITY 2 Joystick Cable 75cm 29 5in K2 0043861 with the lower LBUS Socket at the Master Grip TRINITY and with the LBUS Socket at the TRINITY 2 head Connect the 12G HD SDI BNC Cable 0 63m 25in K2 0041984 with the Monitor Out at the TRINITY 2 head and the Vi...

Page 8: ... 35 or ALEXA Mini LF Signature Prime lenses or a zoom lens keeps the camera setup at an optimal length If the ARRI ALEXA LF or AMIRA is being used a Prime Lens will be required Most box type television cameras with a zoom lens do have the right length for use with the TRINITY 2 system Video Transmitters should be mounted to the rear Battery Hanger This uses the weight of the transmitter as a count...

Page 9: ...unt SAM Zero K2 0018851 Stabilizer Adapter Mount SAM 1 for ALEXA K2 0014215 Stabilizer Adapter Mount SAM 2 for ALEXA KK 0016116 Stabilizer Adapter Mount SAM 2 Set for ALEXA Mini K2 0014630 Stabilizer Adapter Mount SAM 3 Set for AMIRA K2 0024508 Stabilizer Adapter Mount SAM 6 K2 0039405 Stabilizer Adapter Mount SAM 6 450mm 18in K2 0034512 CSS Broadcast Dovetail Plate SAM plate standard width K2 003...

Page 10: ...switched OFF Tilt Lock Move the Lock lever to the left in the Locked position Safety Latch Touch the safety latch with your thumb and slide it fully to the right Clamp Lever Place your index finger behind the clamping lever and pull the clamping lever forward until it reaches the end stop on the left side ...

Page 11: ...emble all required accessories such as focus motors transmit ters connect all required cables such as camera power and video cables Connecting the Ring Main Camera Plug in the Ring Main Cable Take the part of the cable that is plugged into the inner ring and attach it with a bongo tie to the back of the camera or to the rear bracket of the ALEXA 35 Mini LF COG Fore and aft adjustment Open the Tilt...

Page 12: ...bottom cor ner of the camera approaches the top cover of the TRINITY head Minimum height of the tilt axis To ensure enough clearance for the ring main cable which is lo cated on the back of the camera a minimum distance of approx 25mm 1in be available Height Adjustment Clamps Open the four wing clamp screws and raise the complete tilt together with your assistant Make sure the small notch on all 4...

Page 13: ...ing are aligned Adjust Fore and Aft Turn the fore and aft adjustment until the top stage is front and back left in the center There should be equal spacing at both ends Center the Pendulum Adjust the Pendulum Turn the side to side adjustment until the center column of the pendulum is centered left and right Center the Post Adjust the Post Fine Trim Turn the fine trim adjustment until there is abou...

Page 14: ... maximum 150 watt batteries to either battery mount Double check that all cables are properly connected Docking Bracket Balance Position Balance Rod Move the Balance Rod clamp into a 45 position Push the rod to the shown position Balance Pin Lift the Gimbal handle onto the Balance Pin ...

Page 15: ...internal power supply of the TRINITY 2 Head Alternatively an external power source can be used to power the TRINITY 2 head DO NOT combine the internal with an external power supply Main Power Battery Hanger To turn the BHM 2 the entire system ON and OFF press and hold down the Jog Wheel until the ARRI logo appears on the dis play Power up the RCP 3 Main Power RCP 3 To turn the RCP 3 ON and OFF pre...

Page 16: ...n Power Main Power ON Bring the MAIN switcher into the ON position ATTENTION After switching on the TRINITY 2 head is supplied with 24V camera monitor accessories are supplied with 12V and 24V depending on the case The motors are not yet active as long as the Stabilizer is set to OFF As long as the Stabilizer is OFF you can work on the camera setting ...

Page 17: ...tabilization Make sure that your fingers do not get between the top cover and the camera while checking the tilt axis Stabilizer ON Turn the Stabilizer ON when the camera preparation is complete Global Home Position Display Home is displayed in the small display Press the Jog Wheel to move the Tilt and Roll axis in the neutral Home position Observe that the TILT and ROLL axis have automatical ly m...

Page 18: ...zontal position Make sure that none of the cables brackets or other accessories are blocking the movement of the TRINITY head Move the Gimbal in the desired position Telescope the center post and use the Fine Trim adjustment until you reach the neutral horizontal position and don t feel any drop down ...

Page 19: ...from the previously determined neutral position COG Fore and Aft Bring the TRINITY Rig back into the vertical position Open the 19mm rod clamp at the battery hanger and move the en tire assemble rods batteries and the RCP 3 fore or aft till the en tire rig reaches a neutral vertical position Check Fore and Aft To verify that the entire system is neutral in the vertical axis check that the post is ...

Page 20: ...e side to side adjustment Do not move the Top Stage or the Pendulum out the previously determined neutral centerposition Now a sideways movement becomes visible To bring the entire rig into a vertical position the camera inside the ring needs a side to side adjustment Side to Side Lock Open the side locking mechanism by pushing the clamp lever to the left ...

Page 21: ... the fine adjustment to the right moves the camera further to the right Turning left moves the camera further to the left Lock the clamp once the entire system is vertical To verify that the entire system is neutral in the vertical axis check the bubble at the top stage ...

Page 22: ...he entire rig is still vertically neutral and there is still no dropdown To verify that the entire system is neutral in the horizontal roll axis check the bubble at the top stage Check For and Aft To verify that the entire system is neutral in the vertical axis check that the post is in a line with the stand ...

Page 23: ...lance quick guide 23 Final Check Check Side to Side To verify that the entire system is neutral in the vertical axis check that the post is in a line with the stand And double check the Bubble at the Top Stage too ...

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