Frequency Range, Power Supply, Safety Precautions | Avaya 3720

Important Safety Information

Frequency Range

The telephone is a radio transmitter and receiver. When it is on, it receives and sends out radio frequency (RF) energy. The telephone operates on different frequency ranges depending on market and employs commonly used modulation techniques:

EU	1880-1900 MHz

USA	1920-1930 MHz

LA	1910-1930 MHz

BR	1910-1920 MHz

Power Supply

The mains voltage of the adapter should match the local mains voltage, this can be 110 V or 230 V. Check if both voltages do match before installing the charger and adapter.

Safety Precautions

●Do not open the cordless telephone or charger, this could expose you to high voltages. Have all repairs carried out by authorized service personnel.

●Do not allow the charger and the battery contacts to come into contact with conductive objects such as keys, paper clips, rings or bracelets.

●Do not allow the cordless telephone and charger to come into contact with water or chemicals.

●Only use the plug-in AC adapter and battery type supplied.

●Do not use AC adapters which are visibly damaged (cracked or broken housing) and keep the ventilation slits on the plug-in AC adapters free.

●Do not use the cordless telephones in vehicles or in hazardous locations.

●This product contains magnetic material. Be aware that small metallic objects may stick for example to the loudspeaker. This may deteriorate the audio quality and can be harmful.

●Save this manual. It includes important safety information and operating instructions. Save all instructions for future reference.

●Position the electrical cord to the AC power supply where it is least likely to be subjected to damage or stress.

Avaya 3720/3725 DECT Telephone - User Guide

02/2009 13

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Avaya 3720 manual Frequency Range, Power Supply, Safety Precautions

Contents

Avaya 3720 Dect Telephone Security Contents Dtmf Avaya 3720 Dect Telephone User Guide 02/2009 Contents Avaya 3720 Dect Telephone User Guide 02/2009 Sensitive Electronic Environment EU/EFTA only Important Safety Information Intended use Regulatory Compliance Statements EU/EFTA onlyPermission and Conformity FCC compliance statements Portables without Portables with BluetoothRegulatory Compliance Statements USA and Canada only Modifications Exposure to Radio Frequency SignalsWith Bluetooth Without Bluetooth Values Information to User Frequency Range Power SupplySafety Precautions Usage Cordless Telephone BatteryEnvironmental Requirements Chemical Resistance Functions Functions and AccessoriesAccessories Introduction Belt Clip Telephone lanyard Headset with microphone on cable Description of the cordless telephone Descriptions Avaya 3720 Dect Telephone Charging the telephone in Desktop charger ChargersDesktop Charger Telephone disconnection Rackmount ChargerTelephone charging Icons and Text in the Display Example of a display configuration in idle mode Icons Menu icons Keys and Buttons Key Capital letter Small letter Alphanumeric KeysSoft Keys Belt Clips AccessoriesIdle mode, and number input mode Text input mode Headset Leather Casing Calls Menu Tree Menu Tree Contacts Settings Call DTMF1 Lock/Unlock the Keypad Switch the Telephone On/OffTurn the Audible Signal On/Off Basic Operation Unlocking the telephone Lock/Unlock the Telephone Decline a Call CallingIncoming Call Answer a Call Dial a Number from the Call list Outgoing CallDial a Number Pre-Dial Dial a Number directly Post-Dial Open Contacts during the Call Adjust the Volume during a CallDuring a Call Dial a Name from the Central Phonebook Select Microphone on Switch between CallsStart a New Call during Conversation Select Microphone off Call Back Transfer a CallTransfer to new Call Starting a Conference Call Loudspeaking Function Call DiversionGeneral Purpose Call Waiting Check the Voice Mail inbox Voice Mail Call a Number from Call list Menu OperationCall List Delete Number from the Call list Edit Number from Call list before starting a callView the Time of a Call Save Number Absence Handling Call ServicesMissed calls Call Time Start a Priority Call Deactivate the Absence SettingDivert Calls Divert Internal/External Calls Add from Call List Call ContactAdd Contact Add New Contact Search by Name Edit ContactDelete Contact Central Phonebook Turn the Vibrator on/off Adjust the Ringer VolumeSound and Alert View Last Search Result Contrast DisplayTime & Date Set the Key Sound Activate the Automatic Key Lock Phone Lock settingsSet Date Format Set Local Time and Date Format Select Phone lock Select Auto phone lock Activate the Phone LockDeactivate the Phone Lock Change PIN Code Answering Key AnsweringChange the Menu Language Change Owner ID System Charger Select Subscribe Subscribe SystemUnsubscribe System Rename System Select Device info Device infoPriority Information Code Admin menuAdvanced Functions System Handling Software Upgrade Fault Probable cause Action or comment TroubleshootingOperational problems Error or warning messages PDM/AIWS Out of Range Accessibility and Voice QualityOperation Notice Operating Area Replace the Battery MaintenanceCharge the Battery Attach the Swivel-type Clip Attach the Hinge-type Clip Avaya 3720 Dect Telephone User Guide 02/2009 Avaya 3720 Dect Telephone Display Icons Product presentation Turn loudspeaking function on/off Menu Use the local phonebook Accessories Index System connection