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Airtec CYPRES User Manual

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Cypres
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Summary of Contents for Airtec CYPRES

  • Page 1 Cypres User’s Guide...
  • Page 2 CYPRES will never have to take action to save your life. Should CYPRES ever have to open your reserve, it will most probably happen at a moment which justifies, no matter how experienced and cautious you are, that you haven't left your safety to chance.

  • Page 3: Table Of Contents

    Changing altitude reference ..............22 4.4.1 Changing altitude reference (relative adjustment method) ....... 22 4.4.1.1 Example of altitude adjustment in aircraft ............. (Military CYPRES with relative adjustment method) ........24 4.4.1.2 Altitude adjustment using the calculator ............(relative adjustment method) ..............25 4.4.2 Changing altitude reference (absolute adjustment method) .....
  • Page 4 MILITARY CYPRES USER'S GUIDE Repacking of Reserves ................43 Packing of one-pin reserve containers ............. 45 Packing of two-pin reserve containers ............ 47 Packing of one-pin Pop Top reserve containers ........48 Packing of two-pin Pop Top reserve containers ........49 8.4.1...

  • Page 5: Function

    Also, if you are lower and descending at a rate of more than 78 mph (e.g. because of a low cutaway) or if CYPRES is working in special mode, if your rate of descent is higher than two third of freefallspeed. CYPRES is designed to open your reserve container down to 130 feet above ground level.

  • Page 6: Components

    MILITARY CYPRES USER'S GUIDE Components CYPRES consists of a microprocessor-based, self-checking processing unit, a control unit through which prejump altitude adjustments are made, and a release unit (EOS). Two release units are used on dual-pin systems. processing unit control unit...

  • Page 7: How Cypres Works

    This method is exclusive to CYPRES. CYPRES' opening system has these advantages: •...
  • Page 8 The distance which the piston moves in case of an activation is approx. 5 mm. The cutter assembly (EOS) is completely self-contained. In the event of activation, there is nothing released. It was specially developed for CYPRES, and is classified as being non-hazardous.

  • Page 9: Energy Supply

    300 hours. After this, the battery must be replaced. In case that the rig or CYPRES will be out of use the battery should be removed and disposed of after 2 years to prevent possible damage. The battery is a high-energy density type, with long life and low self-discharge.

  • Page 10: Operational Safety

    In case of errors while the working process is active, the back-up controlling process will switch the unit off. Depending on the type and potential impact of the error, CYPRES can either be switched on again or it will stay in shut-down mode permanently. With certain error codes (see error code list in chapter 5), it is not possible for the user to reactivate the unit.

  • Page 11: Product Overview

    Meter/Feet version Every CYPRES model except for the Military version is offered with an altitude calibration either in feet (30-feet steps) or in meters (10-meter steps). The different versions can only be distinguished from each other when the reference altitude is changed;...

  • Page 12: Military Cypres Versions

    MILITARY CYPRES USER'S GUIDE Military CYPRES versions The Military CYPRES is identified by the green button on the control unit. The button has the imprint ‘Military’, ‘Tandem’ or ‘Bundle’. All of the Military CYPRES are available in a Relative or Absolute altitude adjustment configuration, which permits setting of the DZ elevation (and therefore the activation altitude) relative to either the switch- on pressure-altitude or a reference pressure value from the DZ.

  • Page 13: Installation

    CYPRES Set-up. Mounting: Assembling the CYPRES into a container with an existing approved set- CYPRES can be installed in rigs without adding to pack volume or changing their exterior profile. Both the processing unit and EOS are mounted inside the reserve container, while the control unit is placed either underneath the top flap next to the ripcord pin, or on the front of the harness to allow for easy access.

  • Page 14: Processing Unit

    For installation, the processing unit is placed into a specially bolstered and labeled nylon pocket which is supplied with every CYPRES. Excess cable is stowed in the flat part of the pocket underneath the velcro-adjustable flap. If you have to stow both the thinner EOS cable and thicker cable to the control unit, be sure to place the thicker cable so that it lays on top of the thinner one.

  • Page 15: Release Unit

    Loops supplied by Airtec are pre-treated on the first 2". The release elements have to be mounted like described in the CYPRES Rigger’s Guide for Installation. NOTE: WHEN CYPRES IS INSTALLED ONLY USE RESERVE CLOSING LOOPS SUPPLIED BY AIRTEC. Page 14...

  • Page 16: Control Unit

    MILITARY CYPRES USER'S GUIDE Control unit The control unit LED light 4 digit display push button is placed underneath the top flap next to the ripcord pin or on the front of the rig. control unit control unit Airtec GmbH...
  • Page 17 MILITARY CYPRES USER'S GUIDE The control unit should be attached using the four small nylon ties built into its bottom surface. These ties can be pulled through nylon layers with a needle and then secured with appropriate knots. This method of attachment places the knots out of sight and is therefore visually pleasing.
  • Page 18 Once the control unit has been mounted, make sure that it cannot interfere with the reserve container opening, the ripcord, the pin(s). Inside the reserve container, the nylon pockets supplied with CYPRES must be used to install both processing and release units. The nylon cable housing should be used to encase all cable.

  • Page 19: How To Operate Cypres

    You should familiarize yourself with switching CYPRES on and off and changing reference altitudes (chapters 4.2, 4.3 and 4.4) prior to installing and using it. The push-button is the only means the user has for controlling CYPRES functions. Through it, the following four actions are initiated: •...

  • Page 20: Switching Cypres On

    LED-light will glow. You must acknowledge the red light immediately by clicking the button again. This sequence — a click following appearance of the red light — will be repeated two more times. After a total of four clicks, CYPRES goes into operating mode.
  • Page 21 If an activation altitude change is desired, follow the same procedure for turning on the CYPRES, except hold the button down after pressing it for the fourth time. If a CYPRES with a Relative altitude adjustment configuration (see Chapter 4.4 for details...

  • Page 22: When To Switch On Or Re-Set

    • The unit is taken away from the airfield/drop zone by vehicle or on foot and later brought back again. • If the total flying time for a single jump lift exceeds one and a half hours CYPRES will function normally but must be re-set after landing.

  • Page 23: Changing Altitude Reference

    To do the adjustment you conitue tp press the button of the control unit after you turn your CYPRES on. CYPRES will continue with its self-test, and once it has finished, it will display air pressure differences in steps of 1 hPa (1 hPa = 1 mbar).
  • Page 24 If you like to change your input you have to switch CYPRES off and on again, this is necessary when your drop zone changes and has a different air pressure.

  • Page 25: 4.4.1.1 Example Of Altitude Adjustment In Aircraft

    For the altitude adjustment you require two absolute air pressure values, that at the starting point (CYPRES calibration), and that at the landing point. In this instance the starting point is the pressurised aircraft cabin (898 hPa) and the landing point is at 10.000 feet (697 hPa).

  • Page 26: 4.4.1.2 Altitude Adjustment Using The Calculator

    • For system reasons, small inaccuracies can occur with the use of this calculator. • All capabilities of CYPRES are utilized and a higher accuracy is achieved if you follow the altitude adjustment procedure by entering the absolute air pressure values.
  • Page 27 (hPa) to be set on the CYPRES. The corresponding direction of the arrow can be found in the green border above it. E.g. if you are at 500 ft. above sea level and your landing altitude is at 4000 ft., the setting is "120"...

  • Page 28: Changing Altitude Reference (Absolute Adjustment Method)

    To do the adjustment you leave the button of the control unit pressed after you turned your CYPRES on. CYPRES will continue with its self-test, and once it has finished, it will propose a DZ air pressure in steps of 1 hPa (1 hPa = 1 mbar).
  • Page 29 The pressure you select will remain indicated on the display. The adjustment remains until the unit will be switched off again. If you like to change your input you have to switch CYPRES off and on again, this is necessary when your drop zone changes and has a different air pressure.

  • Page 30: 4.4.2.1 Example Of Altitude Adjustment In Aircraft

    MILITARY CYPRES USER'S GUIDE 4.4.2.1 Example of altitude adjustment in aircraft (Military CYPRES with absolute adjustment method) Assume you are in a pressurised aircraft flying at an altitude of 20.000 feet (outside air pressure approx. 466 hPa). The absolute air pressure inside the cabin is 898 hPa (corresponds with approx.

  • Page 31: 4.4.2.2 Altitude Adjustment Using The Calculator

    • Refer to the detailed procedures in chapter 4.4.2 of the Absolute Adjustment Military CYPRES Users Guide for additional information, and in order to utilize all of the CYPRES capabilities. Page 30...
  • Page 32 MILITARY CYPRES USER'S GUIDE The altitude adjustment using the calculator is done as follows: 1.) Rotate discs so the Arrow points to the current altimeter setting at the target (virtual) DZ. e.G. DZ altimeter setting = 30.15 inches HG 2.) Keeping the discs carefully aligned, find the (virtual) DZ field elevation above sea level (feet MSL) on the inner disc.

  • Page 33: Cypres And Water Jumps

    MILITARY CYPRES USER'S GUIDE CYPRES and water jumps When you intend to perform a water jump, you must remove the CYPRES prior to the jump or install a CYPRES Water Resistant Kit (see 4.5.1). Do not reinstall the CYPRES until the rig has been dried out completely, because CYPRES is NOT moisture-proof.

  • Page 34: Errors Display

    In the event of an error inside the unit the countdown will stop before reaching „0 “ and CYPRES will automatically switch itself off after approx. 2 seconds. The height at which countdown stops indicates the reason for error as shown in the table below: 8999 Battery voltage is too low.

  • Page 35: Maintenance

    Maintenance Removal of the unit Once CYPRES has been installed, it can be removed from the rig without requiring the services of a rigger. This will take approx. three minutes once the reserve container has been opened. Reinstallation will require a similar time, not including the pack job.

  • Page 36: Replacing Battery

    CYPRES has been designed to be small so it takes up as little space as possible in your reserve container. Consequently, its wiring attachments and closure elements are small and delicate. That is why replacing its battery requires a gentle hand, a calm mind, a bit of skill, and some time.
  • Page 37 MILITARY CYPRES USER'S GUIDE Grasp both battery cells gently between thumb and index finger, and lift them cautiously straight up approx. one centimeter, until their lowest point is at level with the edge of the opened battery compartment. battery lift batteries...
  • Page 38 MILITARY CYPRES USER'S GUIDE Disconnect the blue battery plug, which has now become visible, by holding its blue plastic cover at its exposed end and pulling it out of its casing. You must NOT use the battery cable coming out of the housing to pull out the plug, because this might destroy the contact inside the processing unit.
  • Page 39 A breakdown means that the battery has been rendered unusable. Therefore, please use caution in handling CYPRES' batteries. Once battery replacement has been completed, the unit's operational status should be tested by performing one switch-on and switch-off procedure.

  • Page 40: Changing The Release Unit

    This is possible, when the CYPRES is provided with the field replaceable cutter. It can be recognised by the plug on the release element cable. A CYPRES with an "old" cutter must be returned to Airtec or to our Service-Center in the US hostessed by SSK Ind.

  • Page 41: Technical Service

    MILITARY CYPRES USER'S GUIDE Technical service 4 years and 8 years after date of manufacturing, CYPRES must be sent back to the manufacturer for a check-up and technical evaluation. Its function technically and under all temperature conditions will be tested with the same methods used during the manufacturing process —...

  • Page 42: Important Notes

    7.1.1 Important notes for jump pilots • Unless an altitude adjustment has been set, CYPRES will not be armed if the aircraft is exited before it reaches 1500ft (450m) for the Military CYPRES, 3000ft (900m) for the Military Tandem CYPRES and 3500 ft (1100m) for the Military Bundle CYPRES above the height at which the jumper intends to land.

  • Page 43: Important Notes For The Special Mode

    7.2.1 Important notes for jump pilots • If you switch on CYPRES in the airplane the air pressure in cabin has to be constant during the self-test and the adjustment. If the air pressure fluctuation is too high, the CYPRES will not function.

  • Page 44: Repacking Of Reserves

    ! Therefore, be sure to extract the pull-up only from below the ripcord pins ! and only very slowly. The looped end of the CYPRES loop should be impregnated with silicone except for 1/2" next to the disc. Ready-made loops provided by Airtec have already been treated with silicone the first 2".
  • Page 45 In addition, we suggest that you prepare one further reserve loop of the appropriate length when installing CYPRES, and leave it together with the disc and a CYPRES pull-up (2 with a two-pin CYPRES and two softbodkins with two-pin Pop Tops) in the nylon pocket along with the stowed cable. This will provide you with a new loop and pull-up whenever you need one.

  • Page 46: Packing Of One-Pin Reserve Containers

    ) the looped end of the CYPRES loop should be impregnated with silicone except for 1/2" next to the disc.
  • Page 47 MILITARY CYPRES USER'S GUIDE Sketch of loop attachment: mark loop length knot # 2 knot #2 knot #1 knot #1 knot #1 Page 46 Airtec GmbH...

  • Page 48: Packing Of Two-Pin Reserve Containers

    MILITARY CYPRES USER'S GUIDE Packing of two-pin reserve containers These points apply when packing a two-pin container in which CYPRES has been installed: • Use only original silicone impregnated CYPRES loops (delivered with the unit). The use of thicker loops could prevent proper functioning of the system.

  • Page 49: Packing Of One-Pin Pop Top Reserve Containers

    • For one pin Pop Top systems Airtec recommend that the closing loop is not silicone impregnated. If your CYPRES is for this type of rig please ask the authorized rigger doing the installation to fit a non-impregnated loop. Except for these instructions, follow all other regular packing procedures described by your system manufacturer.

  • Page 50: Packing Of Two-Pin Pop Top Reserve Containers

    This leaves a sharp edge and can damage the running loop. The ends should be folded back and sewn in place in exactly the same way as on those supplied by Airtec. Handstitch the running loop housing to the top disc of the pilot chute with strong wax thread.
  • Page 51 MILITARY CYPRES USER'S GUIDE Loop installation in two-pin containers CYPRES loops should not be shorter as those normally used on any particular harness container system (rig). a) Assess the loop length required and adjust the loops accordingly. b) Then, stretch the loop by pulling tight on both ends at least twice. The pulling force is what matters, not the duration of the pull.
  • Page 52 MILITARY CYPRES USER'S GUIDE Packing There is a simple technique using two special lines made of CYPRES loop material (soft bodkins) together with the CYPRES pull-ups. These lines and pull-ups will be shipped with every CYPRES ordered for a two-pin system. The packing procedure is described on the next pages.
  • Page 53 MILITARY CYPRES USER'S GUIDE Altogether four packing lines are needed, two soft bodkins and two pull up cords. Both types will come together with your CYPRES. With pull up the soft bodkins, pull the pull ups pull up through the freebag, the release elements and the bottom of the container.
  • Page 54 MILITARY CYPRES USER'S GUIDE After the pull-ups have been pulled all the way through the bottom of the container, their ends can be tied together. Then with the rig placed at the edge of the packing table, it will be possible...
  • Page 55 MILITARY CYPRES USER'S GUIDE In order to facilitate the packing procedure described on the last three pages, we recommend that you pass 2 conventional metal bodkins through the grommets at the bottom of the container, serving as a mechanical aid for the closing of the flaps.

  • Page 56: Additional Notes To The Racer And Racer Elite

    On Racer and Racer Elite systems in countries where US TSO standards apply, you must use the quick loop system in accordance with the manufacturer's instructions. For both Running loops and quick loops however, you must use CYPRES polyamide loop material ! Do not use silicone on quick loops.

  • Page 57: Abbreviated User's Guide

    ! Activate CYPRES only on the ground ! Activate CYPRES only when on the ground, never in the aircraft! When airfield and dropzone are in the same place, always switch CYPRES on or off and back on again when • it arrives at the dropzone by any means other than under an open canopy (e.g., by car or by walking back from landing away from the dropzone.)

  • Page 58: Changing The Container

    CYPRES set up is necessary, a new CYPRES set up kit can be obtainable from the nearest CYPRES dealer or SSK. If you intend to use your CYPRES on a new rig with a different number of pins (e.g. exchanging one-pin for two-pin systems, or vice versa) please exchange your field replaceable cutter to the correct system (1-pin or 2-pin) (see chapter 6.3).

  • Page 59: Regarding Air Travel

    X-ray examination. Therefore, we suggest that when you travel with your CYPRES-equipped rig, check it in at the counter with other luggage. When doing so, make sure that CYPRES has been switched off. However, it could still happen that your gear will be X-rayed during a luggage check, or because you have decided to take it on board as hand-carried luggage.

  • Page 60: Technical Data

    Total lifetime ..... 12 years from date of manufacture + 3 months maximum Special data for the MILITARY CYPRES: Activation altitude ..........approx. 300 m (approx. 1000 feet) Special data for the MILITARY TANDEM CYPRES: Activation altitude ..........approx. 580 m (approx. 1900 feet) Special data for the MILITARY Bundle CYPRES: Activation altitud ..........
  • Page 61 MILITARY CYPRES USER'S GUIDE Data applicable to all Non Military CYPRES: Length, width, height of the processing unit ....approx. 88 x 57 x 28.5mm Length, width, height of the control unit ......approx. 65 x 18 x 6.5mm Length, diameter of the release unit ........... approx. 43 x 8.0mm Cable length of the release unit ............

  • Page 62: Guarantee

    Also, no claim will be accepted if any energy supply other than the original battery provided by the manufacturer has been used in CYPRES. Airtec GmbH...

  • Page 63: Electromagnetic Compatibility

    MILITARY CYPRES USER'S GUIDE Electromagnetic compatibility Manufacturer's Certification: We herewith certify that the automatic parachute activation device "CYPRES" (Cybernetic Parachute Release System) is free from electromagnetic interference in accordance with order no. 1045/1984 of Deutsche Bundespost. Deutsche Bundespost was informed of the release of this system, and has been granted the right to check that these products conform to standard.

  • Page 64: Disclaimer

    MILITARY CYPRES USER'S GUIDE Disclaimer In designing and manufacturing CYPRES, the aim of Airtec GmbH is that it should never cause an accidental canopy opening, but should open a reserve canopy at an appropriate altitude whenever necessary. All investigations and experiments performed during the product's development, and all field tests accompanying trial and production phases have shown to date that CYPRES meets both requirements.

  • Page 65: Key Words

    ......................45, 46 Disclaimer ....................... 63 Display ......................22, 23 Electromagnetic compatibility ................. 62 Electromagnetic shielding ..................42 Emergency / Air Crew CYPRES ................10 Energy supply ......................8 Error Error reports ......................9 Errors Display ......................33 Fail-safe-principle ....................9 Freshwater ......................
  • Page 66 ..................43, 44, 45, 47, 55 Loop material ......................43 Maintenance ....................34, 40 Malfunction ......................63 Military Bundle CYPRES ................... 10, 59 Military CYPRES ....................10, 59 Military Tandem CYPRES ................10, 59 Minimum altitude ..................... 41 Off DZ landing ....................21, 56 One-day service ....................
  • Page 67 MILITARY CYPRES USER'S GUIDE Safety controls ....................... 58 Saltwater ........................ 32 Screws ......................35, 38 Self-test ......................9, 20 Size ......................59, 60 Special mode ......................42 Standard mode ....................21, 41 Summary ........................ 56 Switch-off ......................20 Switching on ......................19 Switching on procedure ..................

  • Page 68: Packing List

    Some parts are delivered in larger quantities than necessary for installation. An addi- tional loop and a surplus Running loop cord (2 in two pin CYPRES; plus 2 soft bodkins with two pin Pop Tops) should be stored in the nylon pocket next to CYPRES, so that they'll be at hand whenever necessary.

  • Page 69: Trade Marks

    Airtec GmbH Safety Systems. No patent liability will be accepted with regard to the use of information contained in this manual. This manual was compiled with due care.
  • Page 70 AIRTEC GmbH • Mittelstraße 69 • 33181 Bad Wünnenberg • Germany Tel.: +49 2953 / 9899-0 • Fax: +49 2953 / 1293...

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