DuraMax E4255 - Making or receiving a hands-free telephone call; Call Waiting; Charging the battery; Operating Specifications

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Makingorreceivingahands‐freetelephonecall

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1. To receive an incoming hands‐free telephone call, press the Green

phonekey,onthehandset’skeypadorthePTTbuttonforashortperiod.

A confirmation tone that the call has been answered will be heard

throughthespeaker

NOTE!IfthePTTbuttonispressedformore than 2sec

ondsitwillreject

andendthecall.

2.Tomakeahands‐freetelephonecall,placethehandsetintothecradle

and dial the desired number on the handset's keypad and press the

phonekey.

3.Adjustthespeakervolumeusingthehandset'svolumecontrol.

4.Incomingaudiowillbehea

rdthroughthespeaker.

Note!Forbestaudioduringaninterconnectcallsetthevolumelevelat5

barsorless.

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CallWaitinginbothHands‐freemodeandwithPrivacyhandset

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1.Toansweranincomingcallduringanactivecall,pressthePTTbutton

for a shortperiod. This willput the currentcall onhold and answerthe

incomingcall.

2.AshortpressonthePTTwilltogglebetweenthecalls.

3.PressingthePTTformorethan2s

econdswillterminatethecall.

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Chargingthebattery

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1.Withthehandsetturnedoff,thecarkitwillchargethebatteryto60%

inapproximately1hour.Thechargetimewillbelongerifthehandsetis

operationalduringchargetime.

2. For operator convenience, the handset’s backlight will remain on for

easeofviewingduringlow/no‐lightconditions.

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NOTE!Batteri

eswill chargewithin the temperature window of‐10Cto

+40C (50 F to104F). If thebattery isoutside the temperaturewindow,

nochargecurrentwillbesuppliedtothebattery.

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OperatingSpecifications

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Inputvoltagerange: 11Vdcto32Vdc

Operatingambient:‐30Cto+60C

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