Gates ALEXA 35 Setup, Use And Care Manual Download Page 1

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Introducing the ALEXA 35 Housing

Page 1

ALEXA 35 Underwater Housing

Setup, Use, and Care Guide

Summary of Contents for ALEXA 35

Page 1: ...Introducing the ALEXA 35 Housing Page 1 ALEXA 35 Underwater Housing Setup Use and Care Guide...

Page 2: ...t revision 12 4 2022 Photos Gates Underwater Products This manual and current revision is available in 8 5 x 11 size and full color at http www gateshousings com documentation html Gates Underwater Pr...

Page 3: ...le Connections 18 Lens Gear Drives LGD s 19 Port Base Port and Port Rings 23 Monitor Mount Video Connections 25 Housing Closure 28 Adjustable Handle Grips 30 Carry Handle Lanyard Mounts 30 Footrails a...

Page 4: ...nto the ALEXA 35 Housing A R coated glass optics optional HD SDI surface feed and Seal Check are a few of the items any professional will appreciate Remote System Control Surface command control are o...

Page 5: ...f this writing several B mount battery adapters are available and compatible with ALEXA 35 Housing Contact Gates for the latest compatibility list or visit Gates ALEXA 35 Housing webpage B mount Batte...

Page 6: ...ise Universal set of Guide Bars and drive shafts Hard Sided Rolling Case s Seal Check system Tool Kit with case Various assembly and spare parts for the ALEXA 35 Housing including bolts and set screws...

Page 7: ...using with trim weight attached Severe damage may result USER RESPONSIBILITY This Setup Use and Care guide contains important detailed procedures for setup and use of the ALEXA 35 Housing It is the us...

Page 8: ...ation Port Remove the Port by rotating 90 degrees while facing the front of the housing Pull the port away from the Port Ring TIP Liberal lubrication of the Port o ring allows easier rotation during i...

Page 9: ...s Stackable Port Rings found in the next section To remove release the port lock on the lower left side of the housing and then rotate 90 CCW and pulling forward NOTE Some lenses do not require a Port...

Page 10: ...t locks are on either left or right side of the SPR Release the port lock on the side of the SPR and then rotate 90 CCW and pulling forward NOTE Some lenses do not require an SPR Release the Port Lock...

Page 11: ...hen the Port Base Rear Shell removal Release three 3 latches by depressing the lock and pulling up on the latch Once released the rear shell will remove freely Remove 4 screws and washers then the Por...

Page 12: ...ount is loose The lock lever is a ratcheting type pull out to place in a new position to continue loosening Slide the camera mount to the rear and free of the housing Rotate Level Lock counter clockwi...

Page 13: ...r brackets The only items remaining are camera B mount adapter and battery CORE SWX HELIX shown GPB 1 Module Preparation Remove the GPB 1 Module s threaded standoffs and replace with the supplied 4 40...

Page 14: ...ach button Please refer to your ARRI Mini camera manual for a list of assignable functions The Pushbutton Plate is marked with 1 12 to show where each button is assigned in the camera s menu The housi...

Page 15: ...ble functions A full list of assignable functions is found on the Gates website https www gateshousings com wp content uploads 2015 10 ARRI ALEXA Mini GPIO Functions R2 pdf Enter Menu and select User...

Page 16: ...with the four supplied screws Install GPIO box Slide the GBP 1 GPIO box into the housing cradle as shown below Install the GBP 1 with the Arri logo face up so the connectors can mate properly Install...

Page 17: ...dovetail The camera should move into the housing without obstruction CAUTION AVOID OBSTRUCTIONS The camera should insert freely without obstruction Stop If an obstruction or resistance is encountered...

Page 18: ...adapter Surface SDI Optionally connect surface SDI cable to SDI 2 port on ALEXA 35 camera Other Optionally you may have other cable connections for surface camera control lens control etc These are s...

Page 19: ...nd no tools are required but wrench flats are provided on the guide bars should this be necessary Install Drive Shafts These are black delrin and have a flat spot milled into one end This end inserts...

Page 20: ...ep 3 Firmly tighten the screw that couples the drive gear hub to the drive shaft TIP The gear hub drive shaft coupling acts like a clutch the drive shaft will slip when reaching the end of travel in e...

Page 21: ...duration of detection Low Battery Low Intensity fast blink Descending tones played 8 times pausing approx 20 seconds between The alarm can be tested by shorting the detection contacts that lead to the...

Page 22: ...camera and check the following Clear Image on External Monitor See separate SU C guide for more details on the External Monitor Clean Image with no dust fog or other impediments to image quality Focus...

Page 23: ...es and Port bore where the o rings seal See the separate document Housing Care and Maintenance Guide for more details CAUTION Do Not lubricate the orange Port Base o ring It is silicone material and l...

Page 24: ...during installation removal Install the Port Ring if equipped Place the Port Ring Lock into the lock position then carefully mate the Port Ring to the Front Shell Rotate 90 degrees CW to its normal p...

Page 25: ...Port will mate with the Port Ring and then rotate 90 degrees clockwise to its normal position Verify seals Inspect the Port Base Port Rings and Port are fully seated with no gaps 1 Mate the Port then...

Page 26: ...tration The External Monitor cable is a pass through type that inserts into bulkhead opening on the upper right side of the housing Insert the cable connectors and route to the rear of the housing to...

Page 27: ...ALEXA 35 Housing Setup Page 27 Connect the SDI cable from the monitor to ALEXA 35 SDI 1 output Also mate the External Monitor power to the battery D Tap or P Tap with supplied D Tap adapter...

Page 28: ...hell Position the shell at the rear and gently move forward over the camera to mate with the Mid Shell CAUTION AVOID OBSTRUCTIONS The Rear Shell should slide freely without obstruction If obstructions...

Page 29: ...ION Faulty Latches can lead to a wet camera Replacements for faulty latches are available at no charge from Gates Mate the Rear Shell to the Mid Shell Close and lock three 3 latches and verify they ma...

Page 30: ...rovided Lanyard Mounts can be positioned inward or to the rear These mounts allow the included carry handle to be clipped on as shown below Slide the Handle Grips onto the top dovetails from the rear...

Page 31: ...econd is a modified version for use with SPR110 port rings When using SPR110 s it will also be necessary to utilize foot risers as shown which allow the housing to rest on the feet and not on the SPR1...

Page 32: ...be warranted for clearance or balance depending on the configuration Place the housing on a flat surface before tightening This will prevent the housing footrails from sitting uneven and or rock when...

Page 33: ...sizes of Stackable Port Rings SPR80 s are for use with the internal Lens Gear Drive system providing diver operation and FIZ control SPR110 s are larger designed to provide space for lens motors in r...

Page 34: ...age 34 110 size Port Base and set of SPR110 Stackable Port Rings Note the 110 size Port Base requires special sealing screws Note also that use of SPR110 Port Rings and 10 Port require the modified fo...

Page 35: ...n how to configure the knobs to fit your application Close to housing Far from housing Double stacked Double stacked lens knobs use 2 silicone bands and longer 5 8 screws included Additional lens knob...

Page 36: ...housing Remove and plug the Seal Check fitting on the external monitor Move the Seal Check hose back to the camera housing and start the monitoring process Why do this The LCD cable is water blocked b...

Page 37: ...t Port Ring Port base and main housing seal for uneven gaps Look over the housing one final time Verify operation As a final check power on the camera and verify all controls are functioning normally...

Page 38: ...ALEXA 35 Housing Operation Page 38 4 ALEXA 35 Housing Operation Right Side Controls Focus Iris Zoom Focus Iris Zoom Record...

Page 39: ...ALEXA 35 Housing Operation Page 39 Left Side Controls Focus Iris Zoom Assignable 1 12 Record Port Lock Power On Off Assignable Marker Plate...

Page 40: ...ccessory rails for 4 and 8 ounce weights They are secured and adjusted forward and aft for trim Top accessory rails The top of the shell has three rails used for handles and monitor that can accommoda...

Page 41: ...Refer to the photo Connect the surface cable to the HD SDI bulkhead connection on the housing Refer to the HD SDI Addendum document for further information Light Bar optional The Light Bar is a conven...

Page 42: ...se As a Tripod Adapter it provides 1 4 20 and 3 8 16 mount holes for your tripod It also is specifically designed to accept an Arri standard dovetail clamp WC Dovetail Clamp As a Crane Mount allows se...

Page 43: ...ALEXA 35 Housing Operation Page 43...

Page 44: ...ch Gates does not warrant optical performance or image quality Gates endeavors to collect data from the field and our own testing as a resource to customers but you should always characterize your len...

Page 45: ...cts Disadvantages No wide shots By their nature Flat Ports do not allow wide shots Loss of FOV Like a SCUBA mask Flat Ports decrease FOV by 25 NOTE The optical interaction between any given lens and a...

Page 46: ...ions While it is unlikely you may encounter reflections from within the port area of ALEXA 35 Housing from anything shiny To control such reflections Gates recommends two easy measures Blackening the...

Page 47: ...age may result CAUTION No Trim Weights DO NOT transport the ALEXA 35 Housing with trim weights installed Severe damage may result Secure Camera Mount The Camera Bridgeplate must be well secured Instal...

Page 48: ...the o rings is easy and covered in the Housing Care and Maintenance document in this package It can also be found on the Gates website at www gateshousings com CAUTION Do not lubricate the large ORAN...

Page 49: ...49 6 Customer Support Should you have any questions about the ALEXA 35 Housing and its operation please contact Gates at the numbers below Email Customer srvc GatesHousings com Web www GatesHousings c...

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