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HUD-A connection scheme:

ATTENTION! IMPORTANT!

When  connecting  HUD-A  to  the  rebreather  it  is  strongly
forbidden  to  cut  off  sealed  cable  end  3.  This  cable  end  is  an
integral  part  of  HUD-A.  Its  damage  can  affect  the  device’
operation and put HUD-A out of order.

Содержание HUD-A

Страница 1: ...HUD A HEADS UP DISPLAY MANUAL revision 1 2015 2015 ...

Страница 2: ...CONTENTS 1 INTRODUCTION 3 2 TECHNICAL CHARACTERISTICS 3 3 TECHNICAL DESIGN 4 4 SWITCHING ON AND START OF WORK 4 5 PO2 DISPLAY MODE 5 6 CALIBRATION 7 7 JOINT OPERATION WITH AV1F AND AV1ECCR 8 8 STORAGE 10 ...

Страница 3: ...re pressure 2 Technical characteristics Number of measuring channels indication 3 PO2 measurement accuracy 0 1 bar Indication 3 channels with 5 LEDs each Independent indication 2 LEDs red and green with connection to AV1f or AV1eCCR Battery AAA battery 1 5V Uninterrupted operation duration not less than 100 hours Tested depth 250 meters Calibration air or oxygen Operation temperatures range 10С 45...

Страница 4: ...ve display 1 and insert AAA battery 1 5V into the slot mind the polarity Ensure that sealing O rings 4 are clean and are not damaged Lubricate them with a thin layer of silicone grease prior to placing the protective display back HUD A will automatically switch on and internal testing will start upon inserting the battery In case of successful testing all indicator LEDs will flash three times ...

Страница 5: ...ore switching off the device will warn about this with intense LEDs flashing To switch the device from sleeping mode it s recommended to close wet contacts 2 with any metallic subject or by a wet finger In underwater mode HUD A will also immediately switch on 5 PO2 display mode Matrix of 3 columns with 5 LEDs each is used to display PO2 in HUD A Each LED can either beam uninterruptedly or flash wi...

Страница 6: ...0 45 0 65 Low red is glowing Yellow is glowing 0 65 0 75 Yellow is glowing 0 75 0 85 Yellow is flashing 0 85 0 95 Yellow is glowing Blue is glowing 0 95 1 05 Blue is glowing 1 05 1 15 Blue is flashing 1 15 1 25 Blue is glowing Green is glowing 1 25 1 35 Green is glowing ...

Страница 7: ...possibly you will not succeed from the first trial Try several times This procedure is designed on purpose to avoid any possibility of calibration mode switch on by mistake when swimming on surface When switching calibration mode on HUD A will display one of two calibration options by air or by oxygen In case of choice of calibration by air figures 2 and 1 will alternatively flash with 2Hz frequen...

Страница 8: ...te independent LEDs red and green to connect the device as a common dependent HUD There indicators does not depend either on HUD A electronics or on the inside and are managed exclusively by the external dive computer ATTENTION IMPORTANT HUD A does not have pressure sonsor Calibration is done based on the assumption that ambient pressure is equal to 1 000 mbar When calibrating is done in high alti...

Страница 9: ...ATTENTION IMPORTANT When connecting HUD A to the rebreather it is strongly forbidden to cut off sealed cable end 3 This cable end is an integral part of HUD A Its damage can affect the device operation and put HUD A out of order ...

Страница 10: ...10 8 Storage With long intervals of usage it is recommended to take the battery off to avoid complete discharge and electrolyte leakage ...

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