Garmin GPS 12 MAP Owner's Manual

Also see for GPS 12 MAP: Declaration of conformity Supplementary guide Owner's manual & reference Specifications Quick guide

Garmin GPS 12 MAP Owner's Manual Manual pdf 33 page image

23REFERENCESatellite StatusPageThe Satellite status Pageshows where the satellitesare and how strong thesignal is from each one.A solid signal bar meansthe satellite is ready to use.Use the LEFT/RIGHTkeys on the rocker keypadto adjust the screen con-trast and the UP/DOWNkeys to adjust the back-lighting. Press ENTER tosave the settings.The GPS 12 MAP’s Satellite Status Pageprovides a visual reference of various receiverfunctions, including current satellite coverage,receiver operating mode, battery level andposition accuracy. As the receiver locks ontosatellites, a signal strength bar will appear foreach satellite in view, with the appropriatesatellite number (01-32) underneath each bar.The progress of satellite acquisition is shown inthree stages:• No signal strength bars— the receiver islooking for the satellites indicated.• Hollow signal strength bars— thereceiver has found the satellite(s) and iscollecting data.• Solid signal strength bars— the receiverhas collected the necessary data and thesatellite(s) is ready for use.Each satellite has a 30-second data transmis-sion that must be collected (hollow bar status)before that satellite may be used for navigation(solid bar status). Once a fix has been calcu-lated, the GPS 12 MAP will then update yourposition, track, and speed by selecting andusing the best satellites in view. You can alsoaccess the GPS 12 MAP’s backlight and contrastfeature from this or any main page.To adjust the screen contrast and/orbacklighting:1. Press LEFT or RIGHT on the rocker keypad toadjust the level of contrast, and press ENTER tosave the new contrast setting.2. Press UP or DOWN on the rocker keypad toadjust the level of backlighting, and press ENTERto save the new backlight setting.Sky View and Signal Strength BarsThe sky view and signal strength bars giveyou an indication of what satellites are visible tothe receiver, whether or not they are being usedto calculate a position fix, and the signal quality.The satellite sky view shows a bird’s-eye view ofthe position of each available satellite relative tothe unit’s last known position. The outer circlerepresents the horizon (north up); the innercircle 45º above the horizon; and the centerpoint directly overhead.