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Garmin GNC 250 manual

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Table of contents for the manual

  • Page 1

    GNC 250 Pilot’ s Quick Refer ence Guide ACTV STBY GNC 250 NAV WPT RTE NRST SQ MSG CLR ENT CRSR ® 250 Quick Ref 7/14/98 9:14 AM Page 1[...]

  • Page 2

    250 Quick Ref 7/14/98 9:14 AM Page 2[...]

  • Page 3

    CURSOR/DA T A ENTR Y CURSOR CONTROL C The cursor key is used to activate and deactivate the cursor in the comm and GPS windows, and is used to highlight fields for data entry , changing display data or cycling through available options. Pressing C once activates the cursor in the comm window , and is indicated by a < > around the standby fr e[...]

  • Page 4

    DA T A ENTRY O The outer knob is used to advance through pages, select comm fr equency (MHz), advance the cursor or move through data fields. K The inner knob is used to change data, select comm frequency (KHz), or scr oll through additional information that cannot fit on the scr een. The clear key is used to erase information or cancel an entry [...]

  • Page 5

    FL YING ST ART POWER UP ❏ Insert data card in car d slot. ❏ Rotate the power/volume knob B clockwise to turn the unit on and adjust volume. The welcome page will appear while the unit performs a self test. ❏ Press E to confirm the database prompt. ❏ Satellite acquisition will begin and the unit will display a ‘Ready for Navigation’ mess[...]

  • Page 6

    TO SELECT A DIRECT - TO DESTINA TION : ❏ Press D . ❏ Rotate K to select the first character of the destination waypoint’ s identifier . Remember to use the ICAO identifier if you are entering an airport as your destination (i.e., KOSH for W ittman Regional Airport). ❏ Rotate O one stop to the right to advance the cursor to the next characte[...]

  • Page 7

    TO SELECT COMM FREQUENCIES : ❏ Press C repeatedly to highlight the standby field (e.g., “<121.75>”). ❏ Rotate O to select the desired megahertz (to the left of the decimal). ❏ Rotate K to select the desired kilohertz (to the right of the decimal). ❏ Press C twice to remove the cursor fr om the comm and GPS windows. TO EXCHANGE ACT[...]

  • Page 8

    TO AUTO - TUNE A FREQUENCY DISPLA YED IN THE GPS DA T ABASE : ❏ Press E with the cursor off to select the frequency as the standby frequency . TO AUTO - TUNE A FREQUENCY FROM A LIST IN THE GPS DA T ABASE : ❏ Press C twice to activate the cursor in the GPS window . ❏ Rotate O to highlight the desired frequency . ❏ Press E to place the freque[...]

  • Page 9

    W aypoint Categor y Each waypoint category featur es a set of waypoint pages accessible by rotating the outer knob with the cursor inactive. Proximity W aypoint Page User W aypoints Page W aypoint Comments Page Airport Identification Airport Comments Airport Position Airport Communications Airport Runway W A YPOINT & AIRPORT INFO The WPT key is[...]

  • Page 10

    TO ACCESS APT INFORMA TION : ❏ Press the W key . ❏ Press C twice to activate the cursor . ❏ Press E to confirm the ‘apt?’ category . The airport identification page will appear with the identifier field ready for entry . TO ENTER APTS BY IDENTIFIER : ❏ Highlight an identifier field, and enter the identifier . ❏ As the identifier is en[...]

  • Page 11

    TO SELECT A DIRECT - TO DESTINA TION : ❏ Press the D key . ❏ Enter the identifier of the destination waypoint. ❏ Press E to accept the identifier , and E again to accept the direct-to confirmation page. TO RE - CENTER THE D - BAR : ❏ Press D , followed by E twice. TO SELECT A DIRECT - TO FROM ANY P AGE THA T DISPLA YS A SINGLE W A YPOINT ID[...]

  • Page 12

    The GNC 250’ s direct-to confirmation page may also be used to select a destination waypoint, review a waypoint’ s position, facility name or location, and manually set a course to/from the destination. TO SELECT A DIRECT - TO DESTINA TION : ❏ Highlight the identifier field and enter the identifier using K and O . Press E when finished. TO RE[...]

  • Page 13

    The GNC 250’ s waypoint sequencing field allows you to ‘hold’ on a selected waypoint and prevent the GPS fr om sequencing to the next route waypoint. Y ou may also use the hold mode with the course select feature to maintain a user -defined course to the hold waypoint. TO HOLD ON A W A YPOINT : ❏ Set the waypoint sequencing field to the ‘[...]

  • Page 14

    Once the waypoint sequencing field is set to the ‘hold’ position, the selected course will appear at the bottom left corner of the CDI page. TO ENTER A NEW COURSE FROM THE CDI P AGE : ❏ Press C twice to activate the cursor in the GPS window . ❏ Rotate O to highlight the course select field. ❏ Use K and O to enter the desired course. ❏ P[...]

  • Page 15

    CDI Page NA V Menu 2 NA V Menu 1 Satellite Status Page NA VCOM Page Position Page The NA V key is used to view navigation, position and status infor- mation and pr ovides access to various planning and calculation functions. T o scr oll thr ough the navigation pages, pr ess NA V and r otate the outer knob; or pr ess the NA V key r epeatedly . NA VI[...]

  • Page 16

    ❏ Provides a graphical CDI and dis- plays your speed and track over the ground, and the distance and ETE to your destination. ❏ The four data fields may be changed to display differ ent data by placing the flashing cursor over the desired field and rotating the inner knob. ❏ When the GNC 250’ s waypoint sequencing mode is set to ‘hold’,[...]

  • Page 17

    Nearest Airport Page Nearest FSS Page Nearest User W aypoints Page Nearest Intersections Page SUA Alert Page Nearest VOR Page Nearest NDB Page The NRST key is used to obtain information on the nine near est airports, VORs, NDBs, intersections, user waypoints and two near- est FSSs; and pr ovides access to SUA alert information. T o scr oll thr ough[...]

  • Page 18

    NEAREST/SUA TO VIEW NEAREST APT INFORMA TION : ❏ Press the T key . The nearest airport will be displayed, subject to the runway surface type and minimum runway length currently selected. TO VIEW OTHER NEAREST APTS : ❏ Rotate K to the right. TO VIEW ANY ADDITIONAL AIRPOR T INFO : ❏ Highlight the frequency field or the runway identification fie[...]

  • Page 19

    ROUTES TO CREA TE OR EDIT A ROUTE : ❏ Press the R key and rotate O until the route catalog page appears. ❏ Rotate K to display the route number you would like to cr eate or edit (route 0 for the active r oute). ❏ Press C twice to activate the cursor in the GPS window . ❏ Rotate K to select the ‘edit?’ option from the r oute action field[...]

  • Page 20

    ROUTES TO ACTIV A TE A ROUTE : ❏ Press R and rotate O to display the route catalog page. ❏ Rotate K to display the desired r oute. ❏ Press C twice to activate the cursor in the GPS window . ❏ Rotate K to select the ‘activate?’ option from the r oute action field. ❏ Press E . The route will be copied into r oute 0 (the active r oute). [...]

  • Page 21

    CDI Settings Message Page I/O Channel 2 Map Datum Nearest Apt Search SUA Settings Batter y Saver Display Intensity T rip Timer Mag V ar/Ar rival Alarms Units of Measure The MSG key is used to view system messages and access the GNC 250’ s unit settings. T o view a message, press MSG. T o access the unit settings pages, pr ess and hold the MSG key[...]

  • Page 22

    UNIT SETTINGS CDI S ETTINGS — allows you to set the CDI scale to 0.3, 1.0 or 5.0 nm scale or an automatic scale. The default setting is 5.0 nm. M AG V AR /A RVL A LARM — allows you to select between true, auto or user -defined magnetic variation options and set an arrival alarm for waypoint arrival at a specified distance from a destination way[...]

  • Page 23

    250 Quick Ref 7/14/98 9:15 AM Page 23[...]

  • Page 24

    © 1995 GARMIN International 9875 Widmer , Lenexa, KS 66215, USA GARMIN/Europe L TD Robert House, Station Appr oach Romsey , Hampshire SO51 8DU UK Part No. 190-00067-51 Rev . A Printed in USA ® 250 Quick Ref 7/14/98 9:15 AM Page 24[...]