Low Battery Alarm; Changing The Battery - NEC 535 Manual

Low Battery Alarm

When the battery voltage falls below the working level, RECHARGE BATTERY appears on the main display area and an empty
battery icon displays in the status bar. With the recharge notification, the phone also sounds a short tone at ten-second intervals.
Once the recharge message displays and the short tone sounds, the phone battery has approximately one minute of use
remaining. The phone automatically powers Off.
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IMPORTANT BATTERY CHARGING INFORMATION (Charging a very low battery)
The battery's charge continues to drop after the low battery warning is displayed. In extreme cases where the
battery is left uncharged for some considerable time after this warning, a trickle charge is used to slowly bring the
battery back up to the safe level at which the fast charging can begin. The phone can be in trickle charge for a few
minutes before the fast charging starts.
During trickle charge, the battery icon will show charging but you are not able to make or receive a call, or fully power On the
phone. Normal wireless phone operation resumes once fast charging begins. The phone can be in trickle charge for a few hours
before fast charging starts if the battery is left uncharged for some days after the recharge warning.

Changing the Battery

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Release the battery lock in the direction of arrow (1), and then lift the battery up in the direction of arrow (2) to remove it.
Put the new battery, release the battery lock in the direction of arrow (3).
Place the battery with the terminal end towards the hinged end of the phone and lower the battery into the battery
compartment until it clicks into place (4).
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