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Function & Performance Specification of Handheld GPS Receiver

£¨Model£ºGPS1271£©

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 GPS1271function & performance


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1  Performance 

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Item

Nominal value

Minimum

Maximum

Remarks

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* Operation current

100mA

70mA ( trickle power)

120mA£¨with backlight£©

 

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Battery operation voltage

3V

1.9V

3.5V

 

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Power leakage

 

5uA

15uA

 

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Standby battery current

10uA

5uA

15uA

 

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*Standby duration

16 hours

12 hours

20 hours

 

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Satellite acquisition sensitivity

-125dbm

 

 

 

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Satellite tracking sensitivity

-135dbm

 

 

 

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Accuracy (No SA)

25m

 

 

2 DRMS

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First acquisition

<120s

 

 

 

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Velocity

0.1m/s

 

 

 

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* Position update rate

1s

1s

2s

 

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Operation temperature

 

-10ºC

70ºC

 

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Waterproof degree

IPX4

 

 

 

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LCD screen

105*160dot

34.62¡À0.01mmX52.77¡À0.01mm£¨visible area£©

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Dimension

141¡À0.5£¨H£©¡Á60¡À0.5£¨W£©¡Á32.5¡À0.5£¨D£©mm

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Weight

£200g (without batteries)

Notes£ºItems with ¡° * ¡± is better than model GPS127.

 

2   Functions 

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Item

Description

Remarks

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Locating

Provide date, time, longitude, latitude and altitude information

Updating each 1 second

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Velocity measurement

Measure and display the velocity at real time

Updating each 1 second

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Track navigation

Record up to 10 tracks, and 1146 waypoints on each track with specific longitude and latitude

 

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Track distance

Calculate covered track distance

 

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* Proportion calculation

Calculate happened track proportion at real time( no need of close graphics)

 

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Track record

Record any tracks, and trace them back

 

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Tracking

Display the tracks at real time as the user is walking on

 

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Track back

Navigate the user to trace back along any recorded tracks

 

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Route,

Create, save and edit up to 30 routes

 

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Route distance

Calculate any distance between any two waypoints on a route and the whole distance of a route

 

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Route navigation

Navigate the user by route

 

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Waypoints

Create, record and edit up to 500 waypoints

 

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* Waypoints distance

Calculate and display distance between any two  waypoints

 

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Waypoints navigation

Navigate the user from any one waypoint to another waypoint directly

 

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Alarm

Make alarm when passing a pre-set dangerous point, navigation destination, a waypoint, anchor, or when the user goes apart from the navigation route

 

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Coordinates

Provide up to 117 coordinates for user¡¯s reference

 

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LCD gray degree

Adjust the LCD gray degree to achieve a comfortable visual effect under different temperatures

 

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Battery power

Indicate battery power level

 

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Satellite status

Indicate the satellites position and GPS signal strength

 

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Electronic compass

Indicate the movement orientation and direction by a electronic compass

 

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Data storage

Store data up to 10 years with an embedded lithium battery

 

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Buttons

B sounds whenever pressing buttons

 

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LCD backlight

Manually or automatically switch on or off the LCD backlight for a clear display at darkness

 

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* Serial port

Provide data exchange function between the unit with personal computer

 

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* TrackBase software

Provide a software tool to download all data from unit onto computer, and edit and save them

 

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* Standard data

A standard data output in NMEA (0183) format

 

Notes: Items with ¡° * ¡± are new function design compared with GPS127.

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