Garmin GPS 400W Reference Guide - Page 194
Low Battery - Unit Needs Service, Insufficient Terrain Database Resolution - antenna
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11 - MESSAGES ABBREVIATIONS & NAV TERMS G/S needs service - (GNS 430W only) A failure in the glideslope receiver has been detected. The glideslope receiver may still be usable, but the unit should be returned (at your earliest convenience) to your Garmin dealer for service. GAD configuration required - The GAD 42 Interface Adapter has lost the configuration information stored in its internal memory. Any mechanical indicators connected to your 400W-series unit are unusable and the GAD 42 should be returned to your Garmin dealer for service. GAD needs service - The 400W-series unit has detected a failure in the GAD 42 interface adapter. Any mechanical indicators connected to your 400W-series unit are unusable and the GAD 42 should be returned to your Garmin dealer for service. GDL 69 is not responding - No data is being received from the GDL 69. If the problem persists, contact your Garmin dealer for service. GPS is not responding - Check GPS antenna - Internal system-to-system communication between the main processor and the GPS receiver has failed. Operational status of the GPS receiver is unknown and the unit should be returned to your Garmin dealer for service after first checking antenna connections or for a short in the antenna. GPS needs service - The 400W-series unit has detected a failure in its GPS receiver. The GPS receiver may still be usable, but the unit should be returned (at your earliest convenience) to your Garmin dealer for service. Inside airspace - Your GPS-calculated position lies within the boundaries of a special use airspace. This message is automatically disabled within 30 NM of an arrival airport, when an approach is loaded. Insufficient Terrain Database Resolution - The installed terrain database does not have sufficient resolution to support HTAWS. Invalid closest pt of FPL - A closest point cannot be created from the waypoint entered on the "Closest point of flight plan" window. This occurs when the selected waypoint is beyond the limits of all legs in the flight plan, too far away, or when a unique waypoint name for the closest point cannot be created. Invalid FPL modification - An attempt was made to modify the final course segment (FAF to MAP) of an instrument approach. The 400W-series unit does not allow the modifications. Invalid waypoint ident - An attempt was made to create a user waypoint with an invalid name. The 400Wseries unit does not allow spaces between characters in the waypoint name. Large magnetic variance - Verify all course angles - A valid value of magnetic variation is not available for this location. Check all course angles manually. Loss of GPS Navigation - Use other nav if available - The Dead Reckoning annunciator appears on the left side of the map display when GPS position is unavailable and the unit is in Dead Reckoning mode. Dead Reckoning mode will continue until GPS position is restored. Loss of integrity - cross-check NAV - The GPS position does not meet necessary criteria. Use other navigation devices to verify your position and navigation. Low Battery - Unit Needs Service - Time data may have been lost due to a memory battery failure. MAIN processor requires service - The 400W-series unit has detected a failure in the main system processor. The 400W-series unit is not usable and should be taken to your Garmin dealer for service. Near airspace - less than 2 NM - Your GPS-calculated position is within 2 NM of a special use airspace boundary, but you are not projected to enter the airspace. This message is automatically disabled within 30 NM of an arrival airport, when an approach is loaded. 184 190-00356-00 Rev G