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Comparison Garmin eTrex 10 vs Garmin eTrex Legend Cx

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Garmin eTrex 10
Garmin eTrex Legend Cx
Garmin eTrex 10Garmin eTrex Legend Cx
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Application areahandheldhandheld
Water protection IPX7
 /waterproof/
Software
Number of routes5050
Waypoints
1000 /track recording: 10000 points, 100 tracks/
500 /track recording: 10,000 points, 20 tracks/
Navigation functions (assistants)
track back
track back
Receiver
Bands number12
GLONASS
Display specs
Display
2.2 "
120х160 px
2.1 "
176x220 px
Additional equipment
More features
image display
image display
Connections
Interfaces
USB
 
USB
memory card slot /micro SD/
General
Power supply
non chargeable batteries /х2 AA/
non chargeable batteries /х2 AA/
Battery life25 h32 h
Dimensions (HxWxT)103x54x33 mm107x56x30 mm
Weight
142 g /with batteries/
156 g /with batteries/
Added to E-Catalogoctober 2011june 2008

Waypoints

The maximum number of waypoints that can be stored in the navigator.

A waypoint is a point on the map with specific coordinates set by the user. Such points can be used both to mark individual important places (work / home, regularly visited institutions in the city, camps or springs in nature, etc.), and when laying routes (it is convenient to designate intermediate points through which you must pass the route). The more points the navigator is able to "remember" — the wider its capabilities; in the most advanced models, this number can reach 10,000 or even more. On the other hand, extensive memory will also cost more.

Bands number

The number of communication channels supported by the navigator.

One communication channel allows the device to receive one operating frequency from one satellite. Without going into unnecessary details, we can say that the greater the number of channels, the more efficient the navigator works (including in dense urban areas and other adverse conditions) and the less time it takes for a “cold” start. On the other hand, numerous supported frequencies complicates the receiver and increases its cost.

As for the specific number, 12 channels are needed to work effectively with GPS, but today such receivers are considered obsolete and are almost never used. Most low-cost receivers support about 20 channels (there are also more modest solutions, at 16 or even 14 frequencies), mid-range solutions have about 30 – 40 channels, and in advanced models this number is most often 64 or 66 (although sometimes more) .

GLONASS

The navigator's ability to work with the GLONASS satellite navigation system. GLONASS (GLObal'naya NAvigatsionnaya Sputnikovaya Sistema) is a Russian navigation system, the only currently functioning alternative to the American GPS. It has been operating in full format since October 2011. GLONASS itself has slightly lower accuracy than GPS, so it is rarely used in its "pure" form - usually navigators receive signals from both satellite systems at once. This format ensures positioning accuracy of up to 1.5 m. In addition, the navigator's ability to work with GLONASS ensures reliability in the event of a failure or breakdown of one of the navigation systems (although unlikely, but theoretically possible).

Display

Parameters of the display installed in the navigator.

— Display diagonal. Size screen size in inches. The larger the screen, the more information can be displayed on it and the more detailed this information will be presented. On the other hand, the size of the display significantly affects the dimensions of the device, and large screens are more expensive.

— Display resolution. Display size in dots (pixels) horizontally and vertically. The higher the resolution (with the same diagonal), the more detailed and clear the image the screen can produce. In addition, on high-resolution displays, small details are better visible, which increases the comfort of viewing information. Too high a resolution is usually not required for GPS navigator displays: for example, 800x480 pixels, limited by the standards of smartphones or tablets, with a diagonal screen size of about 6” are considered quite sufficient even for an advanced device.

— Matrix type. This parameter is indicated mainly for tech cases when the screen uses a high-quality IPS type matrix. This technology provides high quality color rendering, good brightness and wide viewing angles; moreover, IPS screens are relatively inexpensive to produce.

- Touch. Screen support for touch control. You can give commands to the device by touching the icons on the display itself - similar to how this is done in smartphones and tablets. Touch control opens up...many more possibilities than classic controls and provides flexibility in working with the navigator. In particular, by touching the screen you can set points on the route, zoom in or out on the map, etc.

- Color. This parameter determines whether the screen is color or monochrome (black and white). Black and white displays are simple, inexpensive, consume little power, and are quite suitable for displaying basic navigation information. At the same time, color screens are more functional: maps often use different colors to highlight individual objects, which would not be possible on monochrome displays. As a result, black and white screens are quite rare among modern navigators - mainly among the most compact and inexpensive models.

— Backlight. The screen has its own backlight system. This function makes the device independent of external lighting: the illuminated image will be normally visible both at dusk and even in complete darkness. It is also worth noting that many LCD screens have a backlight by default; it is activated when the screen itself is turned on and works regardless of external lighting - without it, the image on the matrix would simply be impossible to see. In particular, this operating principle is used in IPS-type matrices, which have gained popularity in modern portable electronics (including navigators).

Interfaces

Wi-Fi. A technology originally designed to connect to the Internet through wireless access points; for the same purpose, Wi-Fi is most often used in navigators. Note that not only a stationary router can play the role of an access point, but also a smartphone — many of these gadgets have the appropriate mode. But the specific possibilities of such a connection may be different. One of the most popular features is downloading up-to-date traffic data and other traffic information (see "Features"). In addition, navigators may provide updating maps and firmware via the Internet. And for models with full-fledged OS (see "Operating System"), the ways of using Wi-Fi are very diverse: web surfing, access to social networks and instant messengers, "social" games that involve communication with other players, etc. In fact , in navigators with OS, Wi-Fi capabilities are limited only by the set of installed applications.

USB. The device has a USB connector. Most often, modern navigators are equipped with compact ports like miniUSB or microUSB, and the main purpose of such ports is to charge the battery and connect to a computer — for example, to update maps. The most advanced models may also provide the connection of external peripherals (for example, a flash drive with map updates or a 3G modem for Internet access), but such features are quite rare, mainly among navigators with a full-fledged OS (see "Opera...ting system").

Slot for memory cards. A device for reading removable memory cards — most often in the SD or microSD form factor; specific types of supported cards should be specified separately. Such a device (card reader) performs two main functions. Firstly, it allows you to expand the built-in memory of the navigator by supplementing it with external media; at the same time, the capacity of the card can be chosen at your discretion (taking into account the maximum volume — see below). Secondly, the card reader facilitates the exchange of data with other devices — smartphones, tablets, laptops, etc.; this can be useful, for example, for loading maps and other navigation data, for copying recorded tracks, etc. The specific functionality of the card reader should be specified separately.

Headphone output. The presence in the navigator of a special connector for connecting headphones. Usually the role of such an output is played by a standard 3.5 mm port. Headphones can be used for any tasks related to sound accompaniment — voice prompts, talking on the phone or via the Internet (via Skype, Viber, etc.), listening to music and watching videos, etc. (depending on which functions are provided in the navigator itself). At the same time, the “ears” are especially convenient in two situations: in a noisy environment, when the speaker of the navigator may not be heard over background sounds, and also when it is desirable to avoid unnecessary sounds (for example, if passengers are sleeping in the car).

Bluetooth. A wireless communication technology designed to connect different devices directly to each other. The method of using such a connection can be different, one of the most popular options in navigators is connecting a wireless headset. Through such a headset, you can hear the voice prompts of the navigator and give commands to it, talk on the phone, listen to music, etc. (specific possibilities, of course, depend on the functionality of the navigator itself). However headsets are more expensive than wired headphones and have a limited operating time (the battery needs to be charged periodically); but they are much more comfortable.

— ANT+. This standard is mainly used to transmit information of a sports and medical nature — heart rate, distance traveled, speed, etc. It is characterized by low power consumption, but has a low bandwidth — up to 60 kbps. For ANT + to work, it must be supported not only by the gadget, but also by the smartphone or other device to which it is connected. At the same time, we note that, in addition to a direct connection to an external device, this standard allows you to build networks from ANT +-compatible devices — including integrate them into smart home systems.

AV input. Input for connecting a composite (audio + video) analogue signal. With such an input, you can connect an external signal source to the navigator, such as a portable DVD player, a reversing camera (in car navigators), an echo sounder (in marine ones), etc.

Battery life

The operating time of the navigator on one battery charge or a set of batteries depends on the power source (see above).

This parameter is more visual and closer to reality than technical information about the type of batteries, battery capacity, etc. However note that the operating time is usually indicated for a conditional perfect situation: a good signal level without the need to reconnect, low screen brightness ( or completely turned off the backlight), minimal use of wireless modules (Wi-Fi, Bluetooth), etc. Practical conditions inevitably differ from perfect — accordingly, the operating time may differ noticeably from the claimed one (usually in the direction of reduction, but sometimes vice versa) . Nevertheless, the operating time stated in the characteristics is quite reliable information, and it is quite possible to evaluate the capabilities of the selected device, as well as compare it with other models.
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