Nortel Networks T7406, NT8B45AAAB manual Handset Power, Low battery, Recharge

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26 / Charging the T7406 Battery Pack

Note: Make sure the battery is properly installed in the handset or seated in the charger. If the T7406 battery is not properly installed, or if the battery level is extremely low, the six programmable buttons may light or flash simultaneously. This may also happen when the handset is in the charger.

Exchange the handset battery pack regularly (once a week) if you have a second (spare) battery pack.

The spare battery pack trickle charges in approximately 12 hours. When the spare battery pack is fully charged, the indicator light turns green.

Handset Power

Power to the handset comes from the battery pack installed in the back of the handset. When the battery pack power level is low it must be recharged in the charging unit.

Low battery

When the power is low, a tone sounds every 15 seconds indicating you need to recharge the battery soon. Your call is automatically put on hold 20 seconds after the battery pack runs out.

Recharge

Recharging begins as soon as you put the handset in the charging unit. Refer to Charging the T7406 Battery Pack on page 24.

Be sure that the handset and charger contacts touch. A red LED indicates the battery is charging.

To fully recharge the battery pack, leave the handset in the charger until the indicator light turns green.

Note: If the T7406 battery is not properly installed, or if the battery level is extremely low, the six programmable buttons may light or flash simultaneously. This may also happen when the handset is in the charger.

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Contents T7406 Cordless Telephone Installation Guide P0942257 Contents Low battery Safety Important Safety Instructions Installation Use Contents Operational Parameters Provisioning the T7406Operational Bandwidths Installation Site Parameters RF LANs Radio Frequency Local Area Networks Telephone-to-Base RangeEnvironmental Layout Considerations Combination Office/Warehouse Environments Unsuitable for the T7406 Powering the T7406 Battery Charge ControllerSpecifications OFFImportant battery pack information Security of Conversation About your T7406 telephoneRadio range and coverage considerations Density and InterferenceT7406 Parts Lists Spare PartsHandset Overview Handset Signal Detection Out of range... message appearsHandset Features DisplayAntenna Installing the Base StationBase Station Features T7406 Pre-installation Programming Mounting BracketMounting and Connecting the Base Station Before you startCharging the T7406 Battery Pack First-time Charging Recharge Handset PowerLow battery Battery levels Handset ConfigurationImportant First-time Installation Information Identifying the Handsets to the System Assigning the Handset to the Base Station Configuring the Handset ID Number Using the Handset Display ButtonsConfiguring the First Handset to a Base Station Changing the Handset ID Password Assigning the Security Code Ring Type Setting Handset FeaturesConfigure the next handset to the base station Ringer Volume Lock HandsetHandset System Feature Notes Language36 / Setting Handset Features Button Mapping on the Handset Memory buttons Programming memory buttons System Feature codes Button InquiryHandset Asleep Save Battery Mode Handset Asleep Mode Feature ConditionsAnswer calls Make and Answer CallsMake a call Hold calls Mute microphoneBacklight On/Off Customize a handsetHelpful hints Cleaning battery contacts Assigning the SecurityInstalling the T7406 Handset Accessories Installing the T7406 Handset Accessories Headset Compatibility Optional accessoriesLeather carrying cases Headset installation US Regulations Regulatory informationCanadian Regulations Federal Communications Commission FCC NoticeEMI/EMC FCC Part For Class a Host equipmentFor Class B Host equipment SafetyImportant Safety Instructions Installation Use54 / Regulatory information Regulatory information
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