User's Manual

N72GNSSReferenceReceiverUserGuidePage19
4. SET TINGUPTHERECEIVER 
Thischapterde scribesbestpracticesforsettinguptheequipment,and
outlinestheprecautionsthatyoumusttaketoprotecttheequipment.Italso
describesthetypicalinstallationdiagramofreferencestationcomposedof
N72GNSSreceiver,GNSSantenna,externalpowerandnetworkcable.
Theantennainstallationguidelinesdescribedhereare
theminimum
standards.Wheninstallingageodeticantennatogatherpreciseobservation
data,alwaysfollowrecommendedCORSinstallationpracticestothegreatest
extentpossible.
4.1. GUIDELINES 
Whenyousetupthereceiver,followtheseguidelines.
4.1.1. ENVIRONMENTALCONDITIONS
Thereceiverhasawaterproofhousingbutyoumusttak ereasonablecareto
keeptheunitdry.
Toimprovetheperformanceandlong‐termreliabilityofthereceiver,donot
exposethereceivertoextremeenvironmentalconditions,suchas:
 Water
 Heatgreaterthan65°C(149°F)
 Cold
lessthan‐40°C(‐40°F)
 Corrosivefluidsandgases
4.1.2. SOURCESOFELECTRICALINTERFERENCE 
DonotplacetheGNSSantennanearthefollowingsourcesofelectricaland
magneticnoise:
 Gasolineengines(sparkplugs)
 Televisionsandcomputermonitors
 Alternatorsandgenerators
 Electricmotors
 EquipmentwithDC‐to‐ACconverters
 Fluorescentlights
 Switchingpowersupplies
 Arcweldingequipment
4.1.3. UNINTERRUPTABLEPOWERSUPPLY 
CHCrecommendsthatyouuseanuninterruptiblepowersupply(UPS)to