Gates Underwater Products Alexa Setup, Use And Care Manual Download

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Alexa Underwater Housing

Setup, Use, and Care Guide

Summary of Contents for Alexa

Page 1: ...Alexa Underwater Housing Setup Use and Care Guide...

Page 2: ...derwater 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 Products Inc 13685 Stowe Drive Poway C...

Page 3: ...ns Gear Drives LGD s 14 Water Alarm Optional 17 Check Operation 18 Front Shell Port and Port Extender 19 Monitor Mount Video Connections 21 Housing Closure 23 Adjustable Handle Grips 25 Seal Check 26...

Page 4: ...s the full menu system of the camera Cinema grade design Lens choice and control access are just two of the many features designed into the Alexa housing A R coated glass optics optional HD SDI surfac...

Page 5: ...Standard Parts Alexa Underwater Housing Camera Bridgeplate and Mount Lens Gear Drives 1x Clockwise and 2x Counter Clockwise Guide Bars and drive shafts for your lens of choice Hard Sided Rolling Case...

Page 6: ...USER RESPONSIBILITY This Setup Use and Care guide contains important detailed procedures for setup and use of the Alexa housing It is the user s responsibility to read understand and employ these pro...

Page 7: ...move the Port by rotating 90 degrees while facing the front of the housing Gently pull the Port away from the Port Extender TIP Liberal lubrication of the Port o ring allows easy rotation during insta...

Page 8: ...Port Extender Rear Shell removal Release four 4 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 Port Ex...

Page 9: ...Camera Bridgeplate Removal Move the lever lock to the unlock position Slide the camera mount to the rear and free of the housing Move the lever lock to the unlock position Slide the camera mount to th...

Page 10: ...Remove the following items Tape measure hook Top Hand Grip Unit Any additional mounts or brackets Camera Lens Antenna Alexa XT Plus users only Remove the tape measure hook This is necessary for the ca...

Page 11: ...to the Bridgeplate Adapter with five screws Interior Trim Weights Required Mount one 11oz weight to the interior of the back shell as shown below Refer to the Buoyancy Adjustment in section 3 below f...

Page 12: ...obstruction CAUTION AVOID OBSTRUCTIONS The camera should insert freely without obstruction If obstructions or resistance are encountered stop Remove the camera find the cause of the obstruction and tr...

Page 13: ...Alexa Housing Setup Page 13 The Bridgeplate will slide onto the dovetail here Stop inserting the camera if you encounter obstructions Move the lever lock to the lock position...

Page 14: ...ts 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 into the drive coupler at the face of t...

Page 15: ...ghten 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 either directio...

Page 16: ...positioned and secured check operation of the Focus Iris and Zoom controls They should rotate freely but with slight resistance in both directions and through the entire range of travel If not repeat...

Page 17: ...between The alarm can be tested by shorting the detection contacts that lead to the water alarm transducer The water detection condition will activate for 6 seconds If the battery is drained the low b...

Page 18: ...xtenders and Ports Power on the camera and check the following Clear Image on TVL55 External Monitor Clean Image with no dust fog or other impediments to image quality Focus Iris and Zoom gear control...

Page 19: ...ort bore where the o rings seal See the separate document Housing Care and Maintenance Guide for more details CAUTION Do Not lubricate the orange Front Bulkhead or Port Extender o ring It is silicone...

Page 20: ...rt TIP Liberal lubrication of the Port o ring allows easy rotation during installation removal Install the Port The Port will mate with the Port Extender and then rotate 90 degrees clockwise to its no...

Page 21: ...21 Monitor Mount Video Connections Mount the TVL55 monitor Secure the monitor to the top of the main shell as shown and tighten the thumbscrews to secure Slide the TVL55 onto the housing dovetail and...

Page 22: ...to the rear of the housing to the position shown in the next illustration Tighten the brass collar until snug Connect to the camera An HDMI adapter cable is supplied with your Alexa housing kit to ma...

Page 23: ...d locate the obstruction Install Trim Weights See Buoyancy Adjustment in section 3 for more details Mate the shell Position the shell at the rear and gently move forward over the camera to mate with t...

Page 24: ...ually inspect there are no gaps around the perimeter CAUTION 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 Mi...

Page 25: ...Handle Grips The Alexa housing has adjustable handle grips These are assembled to the housing from the rear and set with the top lever Slide the Handle Grips onto the top dovetails from the rear Posi...

Page 26: ...them By drawing a vacuum on the monitor very little air must pass between the shells so the settling process and determination of housing integrity takes far less time Seal Check With a Monitor If yo...

Page 27: ...Alexa Housing Operation Page 27 3 Alexa Housing Operation Right Side Controls Power Focus Iris Zoom Screen Controls Note Alexa XT Plus window shown...

Page 28: ...Alexa Housing Operation Page 28 Left Side Controls Focus Iris Zoom Record Assign 2 3 Record Lock...

Page 29: ...r liking Four general locations are available to add remove and adjust trim weights Inside Housing One 11oz weight must be placed inside the rear shell as shown in a previous section to properly balan...

Page 30: ...ommodate 4 and 8oz weights Port Extender The top and sides of the Port Extenders can also accept 4 and 8oz weights To do so unthread the thumbscrew from the base and then mount directly to the small b...

Page 31: ...here are three steps Camera connection See the previous section Video Connections for details connecting the HD SDI surface feed to the camera inside the housing Housing Cable Connection Refer to the...

Page 32: ...sing close to the housing when not in use The front Tripod legs are mounted on the leading section of the foot Thread the ball mount into the foot and screw tightly with a wrench The rear Tripod leg i...

Page 33: ...venient method to mount lights forward and to the outside edges of the housing It accepts a wide variety of Ultralight Controls Systems ball mounts and bases The External Monitor will secure on the to...

Page 34: ...tical 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 lens of choice for use underwat...

Page 35: ...s 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 D...

Page 36: ...g battery shell RLC bracket and cable kit that includes 2x 15mm Rods 2x 15mm Rod Mounts 1x Mount plate for servo driver hardware 3x Motor cables 1x Power cable 1x Bulkhead connector cable may already...

Page 37: ...ca Wireless Motor Driver WMD to the bracket using 3x metric socket cap screws Mount the 15mm Rod Mounts 15mm rods and WMD Bracket assembled previously to the to the ALEXA top plate as shown in the pho...

Page 38: ...acket to change the battery Install Servo Motors Next secure the servo motors to the custom brackets as shown Gently tighten the screw to secure Note that the servo brackets are reversible by removing...

Page 39: ...onnector can be rotated on the motor for best cable routing and clearance to other items including the Port Extender The photo below shows 3 Servo Motors tightly clustered on a small PL mount lens Thi...

Page 40: ...s into a D Tap location on the battery mount The CAN cable is a permanent cable installation on your housing It is routed through the dovetail rail on the housing as shown Plug this into the CAN locat...

Page 41: ...ntroller THC Test Install a battery to THC and ensure the CABLE BATTY switch is set to BATTY Install a battery on the Alexa camera and the WMD should power on The Servo Motor Drivers may calibrate Onc...

Page 42: ...s While it is unlikely you may encounter reflections from within the port area of Alexa housing from anything shiny To control such reflections Gates recommends two easy measures Blackening the shiny...

Page 43: ...esult CAUTION No Trim Weights DO NOT transport the Alexa housing with trim weights installed Severe damage may result Secure Camera Mount The Camera Bridgeplate must be well secured Install and tighte...

Page 44: ...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 ORANG...

Page 45: ...stomer Support Should you have any questions about the Alexa housing and its operation please contact Gates at the numbers below Email Customer srvc GatesHousings com Web www GatesHousings com Phone 8...

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