NEC Dterm I Series User Manual page 8

Recall
Press key to terminate established call and resieze internal dial tone.
Feature
Used to activate terminal setup functions and to program One-Touch Speed
Dial/Feature Keys.
MIC
Used to activate or deactivate the Microphone. The MIC LED will illuminate when
MIC is on.
Message
To search Message Waiting.
Directory
Press key to display the directory of Dial by Name for Station Speed Dialing.
UP/DOWN
Used to adjust LCD contrast, speaker/receiver volume, and ringer volume.
LCD Contrast:
Press up or down key while idle.
Speaker/Receiver Volume:
Press up or down key during conversation.
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