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87DT590
Settings
Calculator
When you have entered the Toolbox menu:
º ¿ Navigate to Calculator and enter the first number.
# Press repeatedly to select arithmetic function.
You can add, subtract, multiply or divide the numbers.
¿ Enter the next number.
ÜÛ Press to calculate.
The result is displayed.
Sound and alert settings
Adjust the ringer volume
When you have entered the Toolbox menu:
º Navigate to Sound & Alerts and then Ringer volume.
Use the Navigate key to select which signal to adjust.
This way, you can set different ringer volume levels for Voice calls,
Mail (incoming message) and Alarm (alarm clock).
º Use the Navigate key to increase or decrease the volume
level.
ÜÛ Press to confirm.
Switch the vibrator on/off
When you have entered the Toolbox menu:
º Navigate to Sound & Alerts and then Vibrator alert.
Use the Navigate key to select On, On when silent or Off.
When set to On when silent, the vibrator will only be used as alert
signal, if you switch the audible ring signal off. See “Switch ring
signal on/off” on page 30.
ÜÛ Press to confirm.