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CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

SM57

DA80 Series

DigiVOX

™

Digital Intercom

INSTALLATION AND OPERATION MANUAL

REV 4.10 October 13, 2004

Northern Airborne Technology Ltd.

1925 Kirschner Road

Kelowna, BC, Canada.

V1Y 4N7

Telephone (250) 763-2232

Facsimile (250) 762-3374

AUTO PTT

DA80-001

DA80-010

Содержание DA80-001

Страница 1: ... DigiVOX Digital Intercom INSTALLATION AND OPERATION MANUAL REV 4 10 October 13 2004 Northern Airborne Technology Ltd 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Copyright 2004 by Northern Airborne Technology AUTO PTT DA80 001 DA80 010 ...

Страница 2: ...Periodically NAT will release manual amendments In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment record AMENDMENT RECORD Amendment Number Amendment Date Section s Changed Date Entered Entered By Insert any Amendment Instruction sheets after this page ...

Страница 3: ...roduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Installation Procedures 2 2 2 3 1 Warnings 2 2 2 3 2 Cautions 2 2 2 3 3 Notes 2 2 2 3 4 Cabling and Wiring 2 3 2 3 5 Installation Options 2 4 2 3 6 Adjustments 2 4 2 3 7 Mechanical Installation 2 5 2 3 8 Post Installation Checks 2 6 2 4 Continued Airworthiness 2 7 2 5 Accessories Required 2 7 2 6 Installation Drawings 2 7 3 Oper...

Страница 4: ... vertically or horizontally The DA80 accepts stereo music input from a portable or fixed entertainment system to produce high quality mono headset output ICS mute is automatic during radio transmission Music is fully muted during any audible radio or ICS operation and gradually within 0 5 to 1 5 seconds returns after that operation The priority transmission feature allows the pilot to override the...

Страница 5: ...ical Specifications Power Supply Description Multiple switches and linear regulators with reverse and over voltage protection Short circuit protected by internal fuse Normal operating conditions Nom Operating Voltage 27 5 Vdc 13 8 Vdc Max Operating Voltage 30 3 Vdc Min Operating Voltage 11 0 Vdc Input current 0 3 A max 27 5 Vdc Input current 0 6 A max 13 8 Vdc Input Signals Quantity 4 Microphone c...

Страница 6: ... keyline output Rated Level Phones output 100mW 7 7 Vrms into 600 Ω TX mic output 250 mV rms nominal into 150 Ω Circuitry Type All outputs are single ended Freq Resp Phones output Receive input 3 dB from 350 Hz to 6000 Hz Music input 3 dB from 350 Hz to 6000 Hz Intercom input 3 dB from 350 Hz to 6000 Hz TX mic output 3 dB from 350 Hz to 6000 Hz Distortion 1 THD rated power output Audio Noise Level...

Страница 7: ...between the faceplate and chassis Aircraft panel thickness 0 050 to 0 125 The DA80 is mount compatible with the AA80 001 Material Finish Brushed aluminum with chromate conversion Connectors One 25 pin male DB25P D min connector with Jackposts 1 4 3 Environmental Specifications Temperature Operating 20 C to 55 C Survival 55 C to 85 C Altitude 50 000 ft Humidity 95 Shock Operational 6 g Crash Safety...

Страница 8: ...c gating Bi color LED ICS volume and VOX Squelch controls Live VOX and AutoVOX Intercom modes DA80 010 4 place operation Music muted during ICS and radio operations Individual mic gating Bi color LED ICS volume and VOX Squelch controls PTT VOX and AutoVOX Intercom modes End of section 1 Oct 13 2004 Page 1 5 ENG FORM 800 0107 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD ...

Страница 9: ...ood Warranty Card Operators Manual Release certification Verify that all items are present before proceeding and report any shortage immediately to your supplier 2 2 1 Warranty Complete the warranty card information and send it to NAT when the installation is complete If you fail to complete the warranty card the warranty will be activated on date of shipment from NAT Note An appropriately rated f...

Страница 10: ...re the microphone and headphone jacks are isolated from the airframe ground Use caution when routing microphone wiring as it carries low level signals prone to coupling from other sources Do not take a ground from the instrument panel or similar location that shares a ground return with a turn and bank horizon or other motor driven instrument This may cause the unit to pick up the sound of the mot...

Страница 11: ... the model of the unit under consideration Each pigtail should be no more than 3 0 long Bring the pigtails through the rubber grommet and strip off 0 5 of insulation Bend the stripped portion back onto the grommet as shown and sandwich the pigtails between the connector hood and the grommet Raychem Solder Sleeves Rubber Grommet Stripped Pigtail Metal Hood Note The hood is a two piece unit and is a...

Страница 12: ...ed in the aircraft it may be desirable to change some of these settings to best suit the local operating environment The internal adjustments are located along the left side of the unit and are as follows CAUTION Before performing the following adjustments ensure the aircraft radio s volume control is set to produce 2 5 Vrms 10 at the input to the DA80 or the mute functions may not operate correct...

Страница 13: ...ll required mounting holes in the aircraft panel and insert the DA80 from behind the panel e Attach the black metal faceplate with label attached from the front with the countersunk holes facing out Secure with the mounting screws provided Note Ensure that the aircraft panel is tightly sandwiched between the DA80 and faceplate f Rotate the shaft of the VOX potentiometer fully ccw Align the white m...

Страница 14: ...es hums or other background audio are symptomatic of multiple grounds or noisy external systems such as blowers or pumps sharing wiring with the audio system Failure to key or correctly modulate a transmitter is often the result of forgetting to connect all required grounds to the radio or external audio system c Plug in the copilot s headset Check for correct radio and ICS operation Check pilot s...

Страница 15: ...t housing 20 21 025 25 MS Crimp Socket 20 26 901 1 Hood D min Metal 20 28 028 2 6 Installation Drawings DRAWING REV DESCRIPTION TYPE Serial s DA80 001 DA80 001 403 0 1 00 Digital Intercom Interconnect 1001 and up DA80 001 405 0 1 00 Digital Intercom Connector Map 1001 and up DA80 001 905 0 1 00 Digital Intercom Faceplate 1001 and up DA80 001 920 0 1 00 Digital Intercom Mounting 1001 and up DA80 00...

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Страница 24: ...PILOT ISO VOLUME ICS VOX SQUELCH AUTO PTT DA80 VOX Digi MAX MIN ...

Страница 25: ...ive functions for up to two passengers Music is available at all positions The crew and passengers share a common VOX control and one volume control sets the ICS volume in all four headsets The DA80 is compatible with the AA80 001 InterVOX unit 3 3 Controls and Indicators VOX SQUELCH Control ICS VOLUME Control TX ICS Indicator Mode Switch Note This illustration shows the DA80 001 3 3 1 Mode switch...

Страница 26: ...adjusting aircraft radios as low radio volume may affect the DA80 mute functions 3 3 3 VOX SQUELCH Control The DA80 VOX SQUELCH control is a rotary control that is used to set the level of audio required to activate the microphones 3 3 3 1DA80 001 The DA80 001 VOX SQUELCH control is marked LIVE in its fully ccw position and AUTO in its fully cw position When the VOX SQUELCH control is set fully cc...

Страница 27: ...he microphone will automatically set the VOX threshold 3 3 4 TX ICS Indicator The TX ICS indicator is a dual color LED which will illuminate green during radio transmit operations and amber during ICS operations 3 4 Mute Functions 3 4 1 ICS Mute Functions Normal Mode Pilot ISO PLT Tx Key Mute No Mute COP Tx Key Mute No Mute 3 4 1 1 DigiVOX Mode In DigiVOX mode intercom audio will mute at all posit...

Страница 28: ...n any crew member Keys the radio Music will also mute whenever aircraft radio audio is present or if the ICS is active 3 4 2 2 PILOT ISO In PILOT ISO mode copilot and passenger music audio will not mute when the pilot Keys the radio or when aircraft radio audio is present Copilot and passenger music audio will not mute if the copilot Keys the radio Both copilot and passenger music audio will mute ...

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