NEC Dterm Series I User Manual page 11

To Use Soft Keys
Four soft keys are indicated in the LCD According to the status of the Multiline
Terminal.
Press the SCROLL (>>>>) key to scroll the desired key if there are
other functions available.
Press a desired key under the indicated 4 Soft Keys on the LCD.
The service feature of the pressed Soft Key is operated.
To Use The Help Key
Press the HELP key and the Soft Key.
Explanation of the pressed Soft Key is indicated on the LCD.
Press the EXIT key to leave Help.
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