Radio Shack SYSTEM 440 owner manual Installing the Battery, Open Lock

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43-974.fm Page 10 Monday, August 16, 1999 4:27 PM

INSTALLING THE BATTERY

You need one 9-volt battery (not supplied) to protect the module’s mem- ory if power fails. We recommend an alkaline battery, such as Ra- dioShack Cat. No. 23-553.

Note: You must also connect the supplied AC adapter to use the mod-

ule.

Follow these steps to install the battery.

1.If the phone lines are already connected, unplug them from the module.

2. Use a coin to turn the lock on the bottom of the module to OPEN, then slide off the battery compartment cover.

3.Insert the fresh battery into the compartment, aligning the + on the battery with the + on the case.

WALL

PHONE

9VDC !

LOCK

OPEN/

LOCK

LES	REMPLACER
LE
CHANGINGDEBRANCHER		DE
DISCONNECT	BEFORE	ATTENTION:AVANT
OPEN	CAUTION:LINE

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Contents System Fm Page 2 Monday, August 16, 1999 427 PM Features Fm Page 4 Monday, August 16, 1999 427 PM Important Information FCC Information Fm Page 7 Monday, August 16, 1999 427 PM Contents Connecting the AC Adapter PreparationInstalling the Battery Open LockFm Page 11 Monday, August 16, 1999 427 PM Adjusting the Display Contrast Delete ReviewConnecting to a Phone Connecting to AN Answering Machine Check Power Hang UP Phone & Check ALL Cords Swap Jacks Checking the CONNECTIONS/SELECTING the LanguageAdding Additional Modules Mounting the Module Hooks Holes Mounting Bracket Operation Receiving and Storing CallsReviewing Calls Anonymous Call Line ErrorDisplayed Call Information END of ListNo Calls Long Distance# NEW Calls Message WaitingDisplay Light Deleting Calls Deleting a Single CallTroubleshooting DataCheck Power Hang UP Phone Power FailureCheck ALL Cords Module displays Line cords going into the module Module displays If the problem continues for more Care and Maintenance Lightning We Service What We Sell