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19528P-85(11-02)

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XL-9VBATTERYMODULEINSTRUCTIONS

Introduction

ThemodelXL-9Vbatterypackusesa9voltalkalinebattery(NEDA#1604A)toprovidepower

totheheadsetENCsystem.TheXL-9VfeaturesanAutoShutOfffunctiontosavethebatteryif

thepowerswitchisleftonwhentheheadsetisnotinuse.TheAutoShutOfffeatureoperates

bysensinglossofmicrophoneDCbiasvoltagewhentheheadsetisunpluggedoraircraftaudio

systemisshutoff.

Aswitchisprovidedinsidethebatterycompartment(seeFig.1)tocontroltheAutoShutOff

feature.TheXL-9VisshippedfromthefactorywiththisswitchintheDISABLEposition,

whichwillprovidecontinuouspowertotheENCsystemwheneverthepowerswitchison.

Note:SwitchmustbeintheDISABLEpositionwhenXL-9Visused

withH10-76XLoranyheadsetusinganon-amplifiedmicrophone.

ToEnableAutoShutOff

TheENABLEpositionprovidesautomaticshutoffofpowertotheENCsystemiftheheadsetis

unpluggedortheaircraftaudiosystempoweristurnedoff.

TooperatetheAutoShutOffswitchremovethebattery,andusingasmallpointedtoolgently

movetheswitchtothedesiredposition.Ablunttoollikeaballpointpenisnotrecommended.

Replacebattery.

PowerIndicator

Abi-colorLED,mountedonthetopofthebatterypackindicatesthestatusofthebattery

(seeFig.2).

Whenthebatteryisgoodandtheheadsetispowered,theLEDwillblinkgreenapproximately

oncepersecond.Whenthebatteryislow,theLEDwillbereduntilthebatteryisfullydischarged.

 Fig.1

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Fig.2

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Viewintothebatterycompartment,

showingAutoShutOffSwitch

Viewofthetopoft

hebattery

module,showingLED

David Clark XL-9V User Manual

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