Garmin GPS 400W Installation Manual

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Garmin GPS 400W Installation Manual Manual pdf 28 page image

Page 1-14 GNS 400W Series Installation ManualRev. G 190-00356-08TSO DeviationTSO-C146acontinued6. Garmin was granted a deviation from TSO-C146a paragraph 4.b. which defines ―each separate componentthat is easily removable (without hand tools), each interchangeable element, and each separate subassembly ofthe article that the manufacturer determines may be interchangeable must be permanently and legibly markedwith at least the name of the manufacturer, manufacturer’s subassembly part number, and the TSO number.‖7. Garmin was granted a deviation from TSO-C146a paragraph 2.1.1.9 to use 20 seconds (instead of 10seconds) to reacquire a dropped satellite under the conditions described in the paragraph. The 20 secondperiod is the time period specified by the newer DO-229D.TSO-C194 1. Garmin was granted a deviation from TSO-C194 to list this secondary TSO in the installation manual ratherthan on the article itself.2. Garmin was granted a deviation from TSO-C194 not to mark each removable item with part number and TSO.3. Garmin was granted a deviation from TSO-C194 not to display the software part number on the outside of theunit.4. Garmin was granted a deviation from TSO-C194 to use RTCA/DO-160D instead of RTCA/D0-160F as thestandard for Environmental Conditions and Test Procedures for Airborne Equipment.1.6.3 ETSO DeviationsThe GNS 400W Series unit meets the requirements of the listed ETSOs with the following deviations.ETSO DeviationETSO-2C34f Garmin was granted a deviation from ETSO-2C34f to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-2C36f Garmin was granted a deviation from ETSO-2C36f to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-2C37e Garmin was granted a deviation from ETSO-2C37e to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-2C38e Garmin was granted a deviation from ETSO-2C38e to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-2C40c Garmin was granted a deviation from ETSO-2C40c to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-C113 Garmin was granted a deviation from ETSO-C113 to use RTCA/DO-160C instead of RTCA/DO-160D.ETSO-C146 1. Garmin was granted a deviation from ETSO-C146 to use RTCA/DO-160C instead of RTCA/DO-160D.2. Garmin was granted a deviation from ETSO-C146 to use RTCA/DO-229C instead of RTCA/DO-229B forminimum operating specifications.3. Garmin was granted a deviation from RTCA/DO-229C for the requirement to use as a specific ―NAV‖ labeledkey. RTCA/DO-229C Table 2-5 lists the function ―Access to primary navigation display (Section 2.2.1.4.1)‖ witha label ―NAV‖.4. Garmin was granted a deviation from RTCA/DO-229C not to implement paragraph 2.2.3.2.2 which states―The equipment shall allow the pilot to initiate the missed approach with manual action. It shall be possible totake this action before crossing the MAWP (Missed Approach Waypoint), in which case the equipment shallautomatically initiate the missed approach procedure at the MAWP.‖5. Garmin was granted a deviation from RTCA/DO-229C not to implement paragraph 2.2.4.2.3 which states ―Ifthe aircraft is past the FPAP – (length offset), and the pilot has not already activated the missed approach, thereceiver shall automatically transition to missed approach guidance.‖6. Garmin was granted a deviation from RTCA/DO-229C paragraphs 2.2.4.6.4 and 2.2.5.6.4 not to use the lowaltitude alerting function when the GNS 400W Series unit has TERRAIN enabled and is not in one of thefollowing states: FAIL, N/A, TEST, or INHIBIT. When TERRAIN is not enabled, or when it is enabled but thecurrent state is FAIL, N/A, TEST, or INHIBIT, the low altitude alert described in DO-229C 2.2.4.6.4 and2.2.5.6.4 is used.7. Garmin was granted a deviation from RTCA/DO-229C not to implement paragraph 2.2.1.4.9.c which states―BRG to or from a VOR: The bearing is based on the true-to-magnetic conversion at the waypoint location,using the same magnetic conversion as used to define the path.‖ Instead, the ―user‖ (current) location will beused.8. Garmin was granted a deviation from RTCA/DO-229C paragraph 2.1.1.9 to allow the unit up to 20 seconds(instead of 10 seconds) to reacquire a dropped satellite under the conditions described in the paragraph.1.6.4 FCC Grant of Equipment AuthorizationModel FCC IDGNC 420W, GNS 430W IPH-0021400 (10W VHF COM)GNC 420AW, GNS 430AW IPH-0061100 (16W VHF COM)