Although, the Garmin Etrex 10 does not have a slot for external memory cards, or any commercially available maps for it, it has some internal memory space. The Garmin eTrex 30x GPS stacks 3 choice features onto the alreadyrobust eTrex 20x a barometric altimeter, a 3axis electronic compass, and the ability to share. Trex-10-vs-20-display.jpg' alt='Free Maps For Garmin Etrex 30X Topo' title='Free Maps For Garmin Etrex 30X Topo' />Garmin e. Trex 2. With our first store opening in 1. Johnny Appleseed GPS is a 1. Australian owned and operated independent GPS specialist store, operating in QLD, NSW, VIC and servicing all of Australia by our overnight freight service. Our goal is to offer the widest range of GPS and accessories in the world, with the best specialist product knowledge, and competitive pricing. Our 4 retail showrooms are the largest purpose built specialist GPS stores in Australia, and we cant wait for you to visit or call usTRAMsoft Gmb. H GARMIN etrex 1. GARMIN etrex 1. 0 2. These models support the Russian GLONASS satellites. Rugged, portable, waterproof GPS devices with easy to read display and USB interface for data exchange with computer. Buttons and click stick for easy use. The model etrex 1. The models etrex 2. The models. etrex 2. Both models have 1. GB built in memory and a slot for an optional SD memory card. The models etrex 2. Western Europe which supports autorouting providing turn by turn directions. These models are equipped with 3. GB built in memory of which 3. GB are occupied by the pre installed map. They also provide support for optional maps and a. SD memory card. The models etrex 3. In addition, they can receive signals from a heart rate monitor or a cadence sensor and they support wireless data exchange with compatible devices. All models are well suited for all kinds of outdoor activities such as hiking, biking and geocaching, but they can also be used in vehicles. The display is highly user. Multiple settings can be stored as profiles which allow quick switching between different activities. Contents Models Features Overview Main Pages Prices Options Downloads Order. Differences between the GARMIN etrex 1. All models provide similar functions these are the main differences 3. GB are occupied by the pre installed map Topo. Active Western Europe. Features Portable, easy to use, robust, waterproof to IPX 7 standard withstands 3. Easy to read display with background illumination. The etrex 1. 0 has a monochrome display with 1. Profiles to manage multiple collections of settings for different purposes. Easy to use with buttons and thumb stick. Configurable display with various dashboards. Multilingual user interface in Arabic, Bulgarian, Croatian, Czech, Danish, Dutch, English, Farsi Persian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish and Turkish. Integrated antenna to receive signals of GPS and GLONASS satellites. The accuracy of the position indication gets increased by combining the two systems because there are usually more satellites visible. Integrated base map with countries of all continents including major cities. The models etrex 2. Western Europe which supports autorouting providing turn by turn directions Topo. Active West Europe, see description. Overspeed Save Game more. Memory The etrex 2. GB built in memory to store user data and to receive additional, more detailed maps which can be transferred from a PC to the GPS. The etrex 2. 0x and 3. GB built in memory to store user data and to receive additional, more detailed maps, however, 3. GB are occupied by the pre installed map. All four models are equipped with a slot for a standard micro SD memory card Trans. Flash. Memory cards. The etrex 3. 03. D compass to check the heading while not moving, accuracy 5, resolution 1, can be turned off to safe power. D means tilt compensated compass which does not require the device to be level for accurate readings. The etrex 3. 03. Powered by 2 AA batteries or by an external 1. V power source, e. Battery life time about 2. Short time to first fix TTFF approx. Supports the american GPS and the russian GLONASS system as well as WAAS improves accuracy of position indication from typical better than 1. Supports more than 1. Supports various display formats include the Swiss Grid. Firmware stored in Flash Memory, can be updated by the user. Operating temperatures 2. C 4 .  1. 58FHighspeed USB interface, USB cable for data exchange with PC includedDimensions 5. Weight 1. 40 g 5 ounces In order to check the heading with a GPS, a minimal movement with a speed of at least 5. Where no movement is not possible, a compass is needed. Even though a GPS provides accurate elevation information, the value slightly varies continuously. A barometrical altimeter is therefore more accurate, especially when summarizing elevation changes. TTFF Time To First Fix, time until the first information about the current position is acquired. Information for navigation Stores up to 1. Stores up to 5. 0 etrex 1. World map with zoom function in the range of 8. Information on the map displayed in 5 levels of details. Find waypoints, favorites, cities and exits. Extended search function for points of interest, addresses and intersections, if there is a Map. Source map available in memory etrex 2. These maps require a Windows PC plus a connection cable and are available as options, see Map. Source. Electronic, tilt compensated compass to check the heading while not moving etrex 3. Current position longitude, latitude, altitudeAltitude via air pressure barometer, etrex 3. Current accuracy of the position information. Current time. Current heading. Current, average and maximum speed. Trip duration and distance OdometerRecords the travelled path track, capacity 1. Stores 1. 00 etrex 1. Supports metric and U. S. units. Additional features Air pressure trend can take pressure readings every 1. Calendar. Alarm clock. Stop watch. Calculator with basic and scientific operations. Area calculation. Time of sunrise and sunset, moonrise and moonset, current phase of the moon, constellation sun earth moon. Information for hunters and fishers. Heart rate, requires optional heart rate monitor etrex 3. Cadence of the crank arms, requires optional speed and cadence sensor etrex 3. Temperature, requires optional temperature sensor etrex 3. Supports Chirp Geocaching beacon etrex 3. Wireless unit to unit data transfer exchange data with compatible devices, etrex 3. Support for optional. VIRB action cameras, see also Trail. Tech and VIRB etrex 3. GARMIN etrex 1. 02. Main pages of the etrex 1. Main pages of the GARMIN etrex 1. The images below show the display of the etrex 1. This does not necessarily mean that the display is shown it its true size 3. The actual size of these images depends on the properties of your display. Note Even if the displays of all three models are basically of the same size, the monochrome pages of the etrex 1. This is because the color display has more pixels per square inch than the monochrome display. Many of the pages are configurable, the pictures shown are just examples. For the data fields, there is a choice of 3. In addition, many pages support so called dashboards which show some pre selected values. Menu 1 of 4Menu 2 of 4Menu 3 of 4Menu 4 of 4Satellites. Show map page. Select navigation destination. Show compass page navigationStore current position as waypoint and edit it. Trip computer. Change settings language, units, formats, profiles etc. Manage waypoints. Manage geocaches. Manage routes. Manage tracks. Manage active route. Manage proximity alarms. Waypoint averaging to increase the accuracy of the position information. Man over bord Store current position and navigate to it. Calculate area based on a track. Switch profile. Show calendar. Calculator with basic and scientific operations. Show calendar. Calculator with basic and scientific operations. Sunrise, sunset, moonrise, moonset and sun earth moon constellation. Stopp watch with split times lapsInformation for hunting and fishing. Current position, accuracy of position indication, constellation of the satellites, signal strength. Coordinates of the current position. System used GPS, GLONASSAccuracy of position indication. Current elevation above sea level. Position of the satellites in the sky. Strength of the satellites signals.