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Maintenance personnel must observe safety regulations and turn off power before making electrical connections.
Personnel should not service equipment alone; ensure immediate presence or assistance of another person.
Document may contain information subject to Export Administration Regulations (EAR) requiring an export license.
Provides an overview of the manual's scope and purpose for the GPS 155XL/GNC 300XL Aviation Kit.
Details the physical and operational specifications of the GPS 155XL/GNC 300XL aviation system.
Lists the physical dimensions and weight specifications for the unit and antenna.
Outlines the operating temperature, humidity, altitude, and power requirements.
Describes the connection interfaces to various general aviation instruments.
Details the pin functions for the 37-pin DSUB connector on the rack.
Lists the pin functions for the 26-pin HD-DSUB connector on the rack.
Explains FCC compliance and licensing guidelines for operating the GNC 300XL.
Covers the certification status for IFR enroute, terminal, and non-precision approaches.
Outlines the product warranty terms and conditions for Garmin products.
Emphasizes planning and consideration for desired performance and reliability.
Discusses crucial factors for optimal GPS and COMM antenna placement and performance.
Provides guidelines for selecting the best location for the GPS antenna on the aircraft.
Details recommended placement for the COMM antenna to avoid interference.
Addresses electrical bonding requirements for the GPS and COMM antennas.
Specifies limitations for Garmin GA 56 antennas, especially regarding airspeed.
Explains how VHF comm radios can interfere with GPS and how to mitigate it.
Discusses factors for selecting an appropriate location for the avionics rack.
Advises on planning for pilot access and visibility of the unit.
Provides recommendations for antenna cable types, lengths, and routing.
Details cooling requirements and airflow recommendations for the units.
Lists essential devices and components required for Al and A2 certification.
Describes sources and types of external altitude input data.
Lists available antenna kits, connectors, and mounting racks for installation.
Details available data base options like worldwide, Americas, international, and user databases.
Lists various integrated switch/annunciator units for different voltage and orientation needs.
Lists other available accessories such as kits, guides, filters, and power converters.
Specifies essential accessories like comm antennas, headphones, and microphones not provided.
Provides detailed instructions for installing the GA 56 GPS antenna.
Guides on routing coaxial cable and installing BNC connectors and crimp contacts.
Details how to install the avionics rack into the aircraft panel.
Explains the procedure for installing and removing the unit from its rack.
Provides comprehensive pin function details for the J101 and J102 connectors.
Outlines the procedure for checking the COMM antenna installation.
Stresses the importance of configuration initialization for correct operation.
Describes how to navigate and use the unit's TEST MODE for verification.
Guides through setting up configuration parameters for installed equipment.
Allows adjustment of display backlight and brightness settings for optimal visibility.
Configures input and output options for Channel 1 to match installed equipment.
Configures input and output settings for the ARINC 429 channel.
Details the process for calibrating the Course Deviation Indicator (CDI) output.
Explains how to calibrate the unit to an accurate course input source.
Describes how to set the installation state for the approach switch.
Allows selection of fuel type and strap options for aircraft configuration.
Covers settings for the remote battery and low battery voltage thresholds.
Configures input and output options for Channel 2, including RTCM and NMEA data.
Details procedures for testing CDI/flag, OBI, annunciators, and power functions on the ground.
Reports the status of external power, remote battery, and internal memory battery.
Verifies the CDI and associated flags (TO/FROM, CDI Flag, Superflag) are functioning correctly.
Tests the functionality of panel, message, arrival, and approach annunciators.
Verifies the operation of external switches like Remote Enter, PTT, and GPS Appr.
Tests RS232 and ARINC 429 communication channels for proper connectivity.
Verifies that the unit correctly reads altitude input when used.
Tests the On-Board Indicator (OBI) data input and value display.
Checks for proper satellite signal acquisition and GPS position information.
Provides steps to check for VHF communication interference with the GPS.
Describes a flight test procedure to ensure satisfactory VHF communication performance.
Provides guidance for preparing Instructions for Continued Airworthiness (ICA).
Outlines the specific ICA for the aircraft modification with Garmin equipment.
Identifies the aircraft and the nature of the modification.
Details the Garmin GPS 155XL/GNC 300XL installation and its interfaces.
Introduces the section containing environmental qualification forms and STCs.
Presents the environmental qualification data for the GPS 155XL and GNC 300XL units.
Provides the environmental qualification data for the GA 56 GPS Aviation Antenna.
Details changes in remote battery connector pin assignments based on serial number.
Grants permission for installers to use STC # SA00639WI data for aircraft modification.
Grants permission for installers to use STC # SA00640WI data for aircraft modification.
Provides outline and installation drawing details for the stud mount configuration of the GA 56 antenna.
Offers outline and installation drawing details for the flange mount configuration of the GA 56 antenna.
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