Operation Manual

SMS
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Entering text
The digit keys are also labelled with letters for the entry of the respective letters.
Letters, digits and special characters are entered by pressing the relevant key
the respective number of times.
,  or  Enter special character
 Switch between entering upper and lower
case and digits
Del
Delete the last character entered
2 sec
Del
Delete the entire text
SMS alert signal (alarm)
An acoustic signal is issued when a new SMS text message is received. You can
activate or deactivate this signal. Activating/Deactivating the alarm signal, 
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