User's Manual

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 6of8 
19541P‐42(02‐11)
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Insomecircumstancesitmaybenecessaryto“purge”theU9921 ‐GUVofsomeofitslinkedbelt
stations.Typicallypurgingisnotnecessaryunlesstherearemultiplegatewaysinthesame
vicinityandyouwishtoremoveabeltstationfromthisgatewayandlinktoadifferentgateway.
Agatewaycanlinkuptosixbeltstationswhereabeltstationcanbelinked toonlyonegateway
atatime.
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SmartPurge
Asmartpurgeisthepurgeme thodemployedfortheU9921‐GUV,inwhichonlyunwantedlinks
areremovedfromthegateway.Whenthisprocedure
iscomplete,onlybeltstationsthatare
connectedtothegatewayremainlinked.Allotherbeltstationlinkswillhavebeenremoved(see
thebeltstationUserManualfortheindividualbeltstationpurgingprocedurewhenremaining
linkpurgingmaybenecessary.)
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SmartPurgeprocedure
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1. Ensurethegatewayispoweredonandfunctioning .
2. Disconnectallbeltstationstobepurged(poweroffthebeltstations).
3. VerifythenumberofgreenLEDflashesonthegatewaymatchesthenumberof
beltstationstobekeptlinked.
4. PressandholdLINKbuttonon
thegatewayfor30secondsuntilLEDquickly
flashesred.
5. ReleaseLINKbutton.
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Table3:Troubleshooting
Problem Solution
Gatewaywillnotturnon Ensurecorrectinterfacecableisbeingused
(Table2)
Cannotlinkabeltstation ReviewRegistrationprocedure
Ensureunitsarewithin1to3ft(0.3to0.9m)of
eachother
TryaSmartPurge
Cannotspeakovertwo‐way
radio
PTTnotpressed
Two‐wayradionotinstalledtosystem