User`s guide

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F12=Cancel
Return to the previous screen.
F16=User Maintenance
Go to the User maintenance screen.
F19=Alarm call
When using this function MidJet GSM Text will place an ordinary phone call
to the receiving telephone after the message is sent. Enable the function
with F19, it will be disabled after a message is sent or by pressing F19
again.
F21=Non-display message text in log
This function makes the message text unreadable in the message log.
Instead ‘*Non-displayable text’ will be displayed. Enable the function with
F21, it will be disabled after a message is sent or by pressing F21 a second
time.