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Midcontinent MD41 Series Installation Manual And Operating Instructions

Gps annunciation control unit for garmin gns 480 and garmin at cnx80 vhf communication and navigation management system
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INSTALLATION MANUAL AND
MD41-( ) Series GPS Annunciation Control Unit
For Garmin GNS 480 and Garmin AT CNX80 VHF
Communication and Navigation Management System
MD41-1748
MD41-1748(5V)
MD41-1758
MD41-1758(5V)
MD41-1744
MD41-1754
Mid-Continent Instruments and Avionics
th
9400 E. 34
Street N., Wichita, KS 67226 USA
Phone 316-630-0101  Fax 316-630-0723
OPERATING INSTRUCTIONS
28vdc
28vdc
28vdc
28vdc
14vdc
14vdc
Horizontal Mount
Horizontal Mount with 5 volt lighting
Vertical Mount (shown on page 11)
Vertical Mount with 5 volt lighting
Horizontal Mount
Vertical Mount (shown on page 11)
Manual Number 9015669
REV. 1 August 17, 2004

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Summary of Contents for Midcontinent MD41 Series

  • Page 1 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD41-( ) Series GPS Annunciation Control Unit For Garmin GNS 480 and Garmin AT CNX80 VHF Communication and Navigation Management System MD41-1748 28vdc Horizontal Mount MD41-1748(5V) 28vdc Horizontal Mount with 5 volt lighting MD41-1758 28vdc Vertical Mount (shown on page 11) MD41-1758(5V) 28vdc...
  • Page 2 Revision Detail Rev. Date Detail 06/05/03 Complete issue 08/17/04 Added Garmin GNS 480 REV. 1 August 17, 2004...
  • Page 3 TABLE OF CONTENTS SECTION 1 GENERAL DESCRIPTION INTRODUCTION SPECIFICATIONS, TECHNICAL 1.2.1 PHYSICAL CHARACTERISTICS 1.2.2 ENVIRONMENTAL CHARACTERISTICS 1.2.3 SPECIFICATIONS, ELECTRICAL 1.2.4 FRONT PANEL CONTROLS AND ANNUNCIATIONS 1.2.4.1 CONTROLS 1.2.4.2 ANNUNCIATIONS 1.2.5 INTERFACE 1.2.6 EQUIPMENT LIMITATIONS 1.2.7 MAJOR COMPONENTS SECTION 2 INSTALLATION CONSIDERATIONS COOLING EQUIPMENT LOCATION ROUTING OF CABLES...

  • Page 4: Section 1 General Description

    SECTION 1 GENERAL DESCRIPTION INTRODUCTION The MD41-( ) is a compact, self -contained GPS Annunciation and Control unit. It meets all requirements for external (remote) mode selection and status annunciation for the Garmin GNS 480 VHF and Garmin AT CNX80 Communication, Navigation Management System. Features include dual 20,000 hour lamps used for all annunciations, internally lighted selection switches and automatic photocell dimming.

  • Page 5: Front Panel Controls And Annunciations

    1.2.4 FRONT PANEL CONTROLS AND ANNUNCIATIONS 1.2.4.1 CONTROLS Momentary action switch, when pressed, will select VOR/ILS (NAV) or GPS presentation on HSI/CDI. SUSP Momentary action switch, when pressed, will suspend automatic waypoint sequencing in the active flight plan. 1.2.4.2 ANNUNCIATIONS VOR or ILS information presented on the HSI or CDI.

  • Page 6: Equipment Limitations

    1.2.5 INTERFACE (cont.) GPS annunciation Logic low when GPS annunciation is turned on. May be output, J1 pin 14 connected to MD200 GPS annunciation input. SUSP annunciation Requires a logic low to annunciate J1 Pin 24 TERM annunciation Requires a logic low to annunciate J1 Pin 15 APPR annunciation Requires a logic low to annunciate...

  • Page 7: Major Components

    The MD41-1744/1754/1748/1758/1748(5V)/1758(5V) is TSO’D and certified for use with the Garmin GNS 480 and Garmin AT CNX80 system. Any attempts to install the listed units in an installation other than these two systems is prohibited. This will void the TSO. NOTE: If the MD41-( ) is disconnected or removed from the aircraft, there will be no effect in the operation of the GNS 480 or CNX80.

  • Page 8: Section 2 Installation Considerations

    SECTION 2 INSTALLATION CONSIDERATIONS COOLING No direct cooling is required. As with any electronic equipment, overall reliability may be increased if the MD41-( ) is not located near any high heat source or crowded next to other equipment. Means of providing a gentle air flow will be a plus. EQUIPMENT LOCATION The MD41-( ) must be mounted as close to the pilot’s field of view as possible.

  • Page 9: Section 3 Installation Procedures

    SECTION 3 INSTALLATION PROCEDURES GENERAL INFORMATION This section contains interconnect diagrams, mounting dimensions and other information pertaining to the installation of the MD41-( ). After installation of cabling and before installation of the equipment, ensure that power is applied only to the pins specified in the interconnect diagram.
  • Page 10 REAR VIEW OF J1 CONNECTOR PIN NO. 1 ---------------------------- GPS ANNUNCIATION 2 ---------------------------- NAV ANNNCIATION 3 ---------------------------- APPR ANNUNCIATION 4 ---------------------------- CDI SOURCE SELECT (momentary logic low sent to receiver) 5 ---------------------------- DIMMER IN (from aircraft dimming bus for push-button lighting) 6 ---------------------------- MSG ANNUNCIATION 7 ----------------------------...
  • Page 11 Note 1: Use two 4-40 X 3/8” Flat Head Phillips Screws for Mounting FIGURE 3-2 OUTLINE DRAWING REV. 1 August 17, 2004...
  • Page 12 FIGURE 3-3 WIRING DIAGRAM, MD41-1748/1758/1748(5V)/1758(5V) 1744/1754 GARMIN GNS 480 AND GARMIN AT CNX80 REV. 1 August 17, 2004...

  • Page 13: Section 4 Post Installation Checkout

    SECTION 4 POST INSTALLATION CHECKOUT PRE INSTALLATION TESTS With the MD41-( ) disconnected, turn on the avionics master switch and verify that aircraft power is on pin 13 for. Using an ohm meter, verify pin 25 is aircraft ground. OPERATING INSTRUCTIONS Turn off the avionics master switch and connect the mating connector to the MD41-( ).
  • Page 14 ENVIRONMENTAL QUALIFICATION FORM RTCA / DO160D NOMENCLATURE: MD41-( ) GPS ANNUNCIATION CONTROL UNIT MODEL NO: MD41-( ) CLASS A1 TSO NO: C129 MANUFACTURER TEST SPECIFICATION: MPS 7015613 MANUFACTURER: Mid-Continent Instruments and Avionics 9400 E. 34 Street N. Wichita, KS 67226 Phone (316) 630-0101 Conditions Section...

This manual is also suitable for:

Md41-1748Md41-1758Md41-1744Md41-1754

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