Garmin GPS 155XL Installation Manual

Also see for GNC 300XL: Pilot's guide and reference Installation manual

Garmin GPS 155XL Installation Manual Manual pdf 25 page image

GPS 155XL/GNC 300XL Installation Manual Page 4-1190-00067-22 Revision F4 POST-INSTALLATION CONFIGURATION & CHECKOUTPROCEDURE4.1 INTRODUCTIONNOTEConfiguration initialization must be performed when the unit is installed, when replacing a unit,or reinstallation of the same unit in an airplane. Failure to ensure that installation configuration iscorrect could cause erroneous operation.The unit must be initialized before starting the checkout procedure. To initialize:1. Remove any data cards.2. Turn the unit on.3. Press enter in response to "Select operating mode Normal ok?”4. Press enter in response to "No Jeppesen database rte/prx limited to user wpts ok?”5. After the satellite status page is displayed for 5 seconds, the unit may be turned off.After initialization, proceed with the following steps.4.2 TEST MODE OPERATIONSWith power applied to the aviation rack and the GPS 155XL/GNC 300XL unit turned off, depress andhold the ENT key and turn the unit on (release the ENT key when the display activates). The first pagedisplayed is the Display Test Page. While in TEST MODE, test pages can be selected by ensuring theflashing cursor is off and rotating the large knob in either direction.To change data on the displayed test page, depress the CRSR key. The cursor will highlight the standbyCOMM frequency on the GNC 300XL and the configuration section for the GPS 155XL. Press thecursor again to move to configuration selections on the GNC 300XL.The small knob will change the data on the selected field. The ENT key or the large knob will advance tothe next field on the page. Pressing the CRSR key again will remove the cursor from the current field,allowing the large knob to select the next test page. The ENT key is used to enter a new value into theOBI data field after selecting the desired value using the large and small knobs (see the appropriatechapter of the Pilot's Guide for more information on page and data selection).NOTESome pages found in test mode are intended for bench testing and are not discussed here.4.3 INSTALLATION CONFIGURATIONThe following pages are in the order found when rotating the large knob clockwise starting at the DisplayTest Page. See Section 4. 2 to find out how to get to this page.