User's Manual
4of11
19541P‐39(02‐11)
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Power‐up/power‐down
TopoweruptheU9910‐BSWbeltstation,pressandholdthePOWERbuttonforapproximately
twoseconds.TheLEDwillturnredandthenbeginflashingorange.Ifthebeltstationhasbeen
linkedtoacontrollerorgatewayandthatcontrollerorgatewayisin
range,thebeltstationwill
automaticallyconnectwithinafewseconds.
TopowerdowntheU9910‐BSW,pressandholdthePOWERbuttonforapproximatelytwo
seconds.TheLEDwillturnredandthenturnoff.Thebeltstationisnowpowereddown.
AutoShut‐off
Additionally,thebeltstation
willautomaticallypowerdownifitisdisconnectedfromits
gateway/controllerformorethan30minutes.
Headset
InorderfortheU9910‐BSWtobeused,aDavidClarkH9900‐seriesheadsetmustbeconnected.
Toconnecttheheadset,aligntheconnectorsasshownthenpushandturnclockwise(seeFigure
2).Thereareseparateleftandrightvolumecontrolsontheheadset.
Line up
Orange Dots and Twist
Figure2:HeadsetConnection
Itisalsoimportanttoproperlyweartheheadsetandcorrectlypositionthemicrophone.For
optimumnoise‐cancellingperformance,positionthemicrophone1/8”to1/4”(3‐6mm)from
yourlips.