
GD‐1201UserGuide V1.10.02
Page4
NavigationSoftwareInstructionGuide
1. InsertGD‐1201intothetargetsystemdevicethatyouwouldliketoapplyGPS
softwareandmakesureofnoshelteraboveGPSDongle.
2. ConfigureGPSparametersintheGPSsoftware.(Itvariesfromeachsoftware
interface;pleaserefertothemanualofmapsoftwareformoreinformation.)‐
PleasecheckwhichnumberofCOMPortwasoccupiedbyUSB‐to‐UARTBridgefrom
“DeviceManager”of“ControlPanel”andsetBaudrateas4800.
3. Whenthesettingiscomplete,yourGPSsoftwarewillreceiveGPSdataandyouare
abletoproceedwiththeoperationofGPSsoftware–navigation,searchingfor
point‐of‐interested,restaurants…‐aftercompletionofpositionfixing(within45
secondsonaverage).
Notesbeforeuse
1. AfterinsertingtheGD‐1201dongleintothesystemdevice,pleasenoticetheLEDof
theDongleflashing.IftheLEDisnotflashing,itismostlikelythattheremightbe
somethingwrongwiththeUSBdriver.Pleaseconfirminstallationorre‐installUSB
driver.
2. WhenoperatingtheGD‐1201dongleinsideanautomobile,ifyourautomobile
windshieldorcarwindowisfittedwithmetallicsunshieldingorscreen,themetallic
natureofthewindshieldinsulationmightadverselyaffectthesensitivityandfixing
timeoftheGD‐1201dongle.
3. TheGD‐1201dongleisbestusedintheopen‐skyenvironment.GPSsignalmay
becomeweakenedandGD‐1201mayfailtogetpositionfixedfromenvironmental
interferenceonthefollowingconditions:indoor,inanurbancanyonwithtall
buildings,insideoftunnel,underneathbridge,orinanareawithheavyfoliage.
LowGPSreceptionundertheseconditionsisnormalandshouldnotbeconsidered
asfailureoftheGD‐1201dongle.
ItispossibletoreceivenoGPSsignalorweaksignalintheseplacesandconditions:
Insideatunnel,GPS
signalisblocked.
Coversabove,GPS
signalisblocked.
Insideabuilding,GPS
signalisblocked.
Adjacentsome
building,GPSsignalis
weak ordisturbed.
Inaheavilyfoliage
area,GPSsignalis
weak ordisturbed.