Uniden UHF CB radio, Uniden. We are a fully AUTHORISED Australian dealer and warranty service centre approved to sell and service Uniden UHF Radios and Accessories. GPS Information on Garmin, Lowrance, Magellan and other CONSUMER receivers. StarGPS User Manual adding GPS to the Meade ETX, LXD55, LXD75, LX90 and LX200 classic. Kilauea Mount Etna Mount Yasur Mount Nyiragongo and Nyamuragira Piton de la Fournaise Erta Ale. Garmin GPSMAP 78s review including comparisons to similar units, links to other reviews, price comparisons, owners manual, message forums and more. Getting A Fix with your Garmin. The discussion that follows includes conjecture on my part based on. Garmin devices. It. Garmin and may not. Garmin design. While. Garmin receivers, the methods described are. Before you can actually use your GPS receiver for navigation you must. Generally this happens. Once you press the on. Next it will. retrieve information for the necessary satellites and once it has. While. it seems to be doing the same thing each time it starts there are. Obtaining your first fix is sometimes referred to as initializing. There are several methods of initializing a receiver. EZinit by Garmin to fully. The status screen for. XL is shown at the left. It is similar to the status screen. Garmin units. One of the first things to catch your. These. represent the expected locations for satellites at your location and. The outer circle represent the horizon and the inside circle. Everything inside the inner circle is. Etrex 30 Patch Antenna' title='Etrex 30 Patch Antenna' />Knowing the approximate location and satellite number for. This implies that the unit must already think it knows your. The approximate. location of all of the satellites is stored in the machine in, what is. The almanac provides the data you see on the. GPS receiver by letting it know which satellites. The almanac data is usually good for. However if you leave the unit off for over three months it will have. The Garmin emap will display this information but does not. You will need to select gps. The Garmin basic etrex displays very little. Only 4 satellites are. View and Download Garmin ETrex HC series owners manual online. Trex HC series personal navigator. ETrex HC series GPS pdf manual download. As. the fix progresses on the etrex a light squiggled line will appear as. To understand how this really works you should. Sky. View page. The advanced sky. Garmin receivers. Note that some of the data in this chapter assumes a general. If you. need this knowledge please read the chapter on this subject. The first time you turn you unit on each day it must perform a cold. To perform a successful cold start it must have a current. Given this data the only thing it needs in order to calculate a fix is. D fix or 4 satellites for a 3. D. fix. The data it needs is called ephemeris data and it is. It takes 1. 8 seconds to download this information because it is only. Since your Garmin was turned on at a random. It. would take longer if it had to be received in order but your Garmin is. Once the data has been acquired a position can be computed and. Generally this can be accomplished in an amazing 4. The 4. 5 seconds. After a lock the data will be updated once a second. The older multiplexing receivers cannot achieve such a rapid. The reason is simple, they need to download ephemeris. So it take 9. 0. seconds to download the data from 3 satellites and thus you can expect. D lock in about 2 minutes. After another 3. 0 seconds or so. D lock as it adds in the. If you have a unit that. Qual O Programa Abre Arquivo Rar. Once a satellite ephemeris data has been. Since data can be collected in. Since the unit knows it. After. a 2. D fix is produced it can keep track of those three satellites while. D lock. Ultimately the. There is no indication about which 4 it will use at any. The newer 1. 2 channel parallel units can gather data simultaneously. There is no time penalty in doing so. While the G III family, emap, and most other Garmin units continue to. G 1. 2 family and G II no longer uses. Instead. solid bars are used to indicate exactly which satellites in the. Therefore none will turn solid until the first fix is obtained. A. feature of all of the 1. Using more than 4 satellites. Note that the hollowfilled bar feature is not present on all units. Most notably it is missing from the 1. CX color unit and some of the. Warm Starts. If you turn your unit off and back on again you will notice that it is. This is. because it saves the ephemeris data from the last cold start. Saving. this critical data can enable your unit to compute a fix in 1. It needs only to verify that the data is still valid and. The ephemeris data from a satellite is updated every 2 hours at. If the circular orbit is projected to be really close to a. Considering that a satellite makes. Garmin handheld receivers look at the time stamp and use this data. Of course in several hours the satellites you were using may have. Note that the warm. EZinit Starts. The basic etrex does not support EZinit starts. Please skip this. The. basic etrex will attempt a local fix and if this fails it will ask you. This feature. is supported on etrex venture, legend, and vista. If you have moved 5. Epac Controller Manual. EZinit. In this case you will seed the unit. This is done on non mapping units by selecting the state or country. This information can be reached by pressing the. You can then scroll through the list of countries and states. Once. you have selected the starting location the unit proceeds as if it. On these Garmin units you may also initialize their position. While the unit is acquiring its position this is a changeable field on. On Garmin units with built in maps the map position can be. Note that these techniques do not. To. use the map follow these steps From the satellite screen, press menu. Initialize Position, press enter. The map screen will. Pressing enter will. EZinit. Autolocate Search the sky. The final method used by your Garmin enables it to find itself and. In autolocate mode. On any of the older. D. fix. On the 1. A 3. D fix under these conditions can usually be. Note that while a fix may be. The. almanac requires 1. For. this reason, if you have to do an autolocate you should continue to. If the unit is doing an autolocate and it fails to produce a 3. D. lock it may prompt you for the altitude reading. You should enter. This. usually happens when the unit has a restricted view of the sky such as. You will likely need an autolocate if you have let the almanac data. You may. need an autolocate if the internal clock is totally wrong although. EZinit will work in this case. Since the etrex, 7. GPSV, and emap do not have an internal battery backup this can occur. Finally you may need an autolocate if you are somewhere in or over the. Under some conditions where. See the chapter on. Undocumented commands to completely clear the unit of all. Completing the Initialization. As soon as you achieve a 2. D lock the unit will switch to the position. You can be navigating at. D lock yet. On some units this can. If it can be selected you still have a 2. D lock. For. older multiplex units and the default settings on the newer twelve. It can be reached by pressing. If the altitude data is selected when you push. D lock. It will remain. D lock is achieved and then the entry will no longer. This can be a handy way to check for 3. D lock. status while using the position page for navigation. If the altitude. is clearly wrong you can correct it while in 2. D mode to improve the. On the mapping units the 2. D altitude setting is. D. Once the lock is established the clock on the position screen will. Internally the unit uses UTC. While the initialization would seem to be. This activity continues so long as the gps is turned. If you enter a long tunnel or go under a dense tree cover you may temporarily. To help overcome these problems Garmin has designed in a. For temporary loss of signal under 3. If the signals are reacquired during this time the unit. Loss of signal longer than 3. This message appears in the. In. addition anywhere that track and speed are displayed the fields will. Once a fix is re obtained the track and speed data will. Any break in the track caused by a loss of signal will also. Note that the projected. Loss of a signal for a considerable period will trigger a message to. Vista HCx. Overview. The Garmin Vista HCx, brings a high. Garmins popular line of e. Trex handheld units. It features a small GPS receiver and navigator with a color. The Vista HCx is. Trex Vista, the color Vista C and the Vista. Cx, which brought expandable memory to the e. Trex series.  Now it. Garmin. units, the high sensitive receiver chip is not a Sirf product, rather a. Media. Tek 3. Designed for outdoor use, such as on the trail. HCx also can be used for highway. Garmin City. Navigator maps. Overall, the. operates nearly identical to the Vista Cx, with just a few minor. The only feature change in the HCx. The Vista. HCx lists on the street for 2. Check discount prices here. Garmin has also upgraded its line of e. Trex models with. Trex Summit HC, which includes an electronic. Trex Venture HC, which does not have a card. Trex Legend HCx, which is. Vista HCx, except the Legend does not have the. The Unit. The Vista HCx is the same size as its color model predecessors. It has a color screen, a powerbacklight key, a page key, map. While there is. a card slot, no micro SD card is included in the. I have used a 1. GB. GB micro SD card for. This provides more than plenty of room for maps. Included in the Vista HCx package is the unit itself. USB cable for. computer use and. Map. Source Trip and Waypoint manager, which allows you to connect the. HCx to a computer and manage your waypoints, routes and tracks. It contains a similar basemap that is loaded in your unit. Features. The most important key on the Vista HCx is the page key, which is on. This is how you bring up the different. I have. found the best way to get acquainted with the unit, is to press the. HCx has the capability to do. Here is a photo of keys, starting on the right and going clockwise Right SidePageQuit Key. PowerBacklight KeyLeft SideZoom Out. Zoom in. Joystick Key Front of unitFindMenu Key. Satellite Page. This will show you the status of the satellites. It will. show if it has a satellite lock by giving the latlong. Pressing. menu will allow you to use the unit indoors by turning the GPS function. GPS elevation. This pages also shows you the elevation, but according to the GPS satellites, not. Satellite page shows accuracy, current latitude and longitude and. D indicates the unit is getting WAAS correction from a. WAAS satellite, in this case, 4. Map. This is the map page, and this shows optional City. Navigator detail. The black triangle represents my position. The data fields. which here show speed and elevation are customizable and also allow two. A screen example of the optional TOPO 2. Routes. When you create an active autoroute with the optional City. Navigator map detail, it will give you step by step. You can show times to go, or. Compass. This is for getting to a location off road. It is not an. actual compass, but works from determining your movement. This is until you turn the electronic compass on and your. You can also customize the data files on this. Remember to press and hold the. This view shows that I am heading directly west here and the red arrow. The data fields show I. It also gives an ETA. The numbers on the compass icon, indicate the heading. For. example from this screen shot I am heading 2. Altimeter. This is the built in barometric altimeter page. You can calibrate. You will then. be prompted for either the current barometer pressure or you must know. You can also use the joystick key and. Also using the joystick key. It will also bring up the date and time of. And when you press the joystick button in, it will. For example, if you hike a. This is discussed in. Tracks section of this article. This allows you access to the setup page, as well as mark, find, and the following other features included in the unit. Tracks. One of my favorite features in a GPS is the ability to be able to log. Vista. HCx will record your latlong, speed. GPS. for future reference. This screen shows a saved track, which you can name and customize the. You can also use Trac. Back which. is a feature to help you follow the breadcrumb trail you have. This screen, with TOPO 2. The red line is a trail I hiked to get to a. I have saved it so it always shows up on the map. You can save a track and manually select where you want it to. If it is more than 5. You can also do a. Map. Source Trip and Waypoint manager. GPS. You can save a total of 2. Vista HCx. This is the profile screen, that you can bring up by pressing menu. Note the red cross hairs are. See image below for example. Cursor shows where the actual location is from the profile page. Note the two saved tracks visible on this page, the red and the. You can also see. Round Knoll and Tent. This is similar to what you can also do on the altimeter page. The Vista HCx has a few other features not directly related to GPS navigation. Sun Moon. This page allows you to get the readout of sunrise, sunset, moonrise. You can adjust this by date, if you want to know. You can also find the sunrisesunset for. Hunt Fish. This uses the celestial tables to calculate a prediction for wildlife. You can also change the date and location for a. Games. There are a few games you can try. Some are actually for use. Others are simple games you can play while. Stopwatch. The stopwatch allows you to calculate laps, by either distance or manual use. Calculator. This is a standard calculator and also has scientific calculator abilities. Calendar. The calendar lists sunrisesunset, as well as icons representing. You can save a waypoint in the calendar. This data is lost if you delete the waypoint however. Highway. This is the highway page, which gives you a layout of your route. It is somewhat of a 3 D view, and you can zoom it in and out. Settings. Like all of the e. Trex models, you can customize many fields, the screen. I have found this to be an excellent. Here is a summary of your options System. This page allows you to select the GPS mode you want, from normal, to. You can also enable or. WAAS, select the battery type, between alkaline or Ni. MH, the. language, including English, French, Spanish or Portguese. This. is also where you can enable the proximity alerts and pressing menu. You can also bring up the card. Custom POIs. Display. Display allows you to select between the daytime bright look and. You can also select. The default for. this is 1. Interface. This allows you to connect your unit as a Mass Storage Device, to. SD card.  You must. Vista HCx will. automatically restart in a GPS mode. There are no options for. NMEA data or other format through the interface, except for the. Garmin protocol. Tones. You can customize the tone sounds and turn them off, for a message. You can also specify tones for the proximity. Page Sequence. This is a nice feature, which allows you the option of only selecting. For example, I have my unit. You can add pages. You can also. access any page from the main menu, even if it is not in your page. Routing. This allows you to customize between following the road if you have. City Navigator Maps or use the basic basemap included in the unit or. When autorouting on roads, you can select. Faster Time and Shorter Distance. The faster time will. Routing. Color setup is a new feature in the HCx and allows you to select the. Trex models.   Follow Road Options allows. You. can also avoid U turns, toll roads, car pool lanes, etc. Image of a pop up screen which shows you the upcoming turn, including. Geocache. You can set up the icons for geocaching and whether you want the.