User's Manual
7of10
19541P‐44(02‐11)
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AllDavidClark9900‐serieswirelessbeltstationsandbatteryoperatedcontrollersusea3.7VLi‐
Polymerrechargeablebattery.Thisbatteryisremovedbylooseningthebatteryreleasescrew
(SeeFigure1).ThebatteriesarechargedwiththeA99‐04CRG4‐baybatterycharger(41034G‐
01).
Wheninstallingabattery,
takecaretoalignthebatteryproperlyandfullytightenthescrew(see
Figure3).
Insert Battery
with Contacts
Down
Lift Door
Figure3:BatteryInsertion/Removal
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Table3:Troubleshooting
Problem Solution
Controllerwillnotturnon ReviewPower‐up/Power‐downprocedure
Ensureafreshbatteryisinstalled
Cannotlinkabeltstation ReviewLinkingprocedure
Ensureunitsarewithin1to3ft(0.3to0.9m)of
eachother
TryaFullPurge
Nosidetone NoBeltStationsconnected
VOXsettoohigh
Lowreceiveaudio Adjustleft/rightvolumeknobsonheadset
Noaudio/intermittentaudio Checkheadsetconnectiontobeltstation