Basic operation 21Basic operationThis section describes the basic operation of your radio.The following topics are covered in this section:■ turning the radio on and off■ entering your personal identification number■ checking that your network is available■ adjusting the speaker volume■ making a call■ making a preset call■ receiving a call■ re-establishing a call■ about emergency operationTurning the radio on and offGive a long press of the on/off key to turn the radio eitheron or off.When the radio is first turned on, the red, green and amberLEDs flash briefly and the radio gives two short beeps.Entering your personal identification numberYou may need to enter a personal identification number (PIN)before you can use your radio. If the message Pin appears,enter your assigned PIN.Once you have entered your PIN correctly, two short beepssound and normal operation is now possible.If you do not know your PIN, consult your radio provideror administrator.