David Clark XL-9V User Manual

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19528P-85(11-02)
©2002DavidClarkCompanyIncorporated
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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 Specifications

General

Brand	David Clark
Model	XL-9V
Category	Battery Pack
Language	English

Summary

XL-9V Battery Module Instructions

Introduction

Overview of the XL-9V battery pack, its power source, and Auto Shut Off function.

Auto Shut Off Feature

Explanation of the Auto Shut Off function and how to enable/disable it.

Power Indicator

Details on the bi-color LED that indicates battery status.

Battery and Accessory Handling

Battery Insertion and Removal

Step-by-step instructions for installing and removing the 9V battery.

Belt Clip Removal

Procedure for removing the belt clip accessory from the unit.

Connector Insertion and Removal

Guide for connecting and disconnecting audio system connectors.