NEC Univerge DT310 User Manual page 14

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(9) Message
Press key to access the voice mail system.
(10) Up/Down
( UP
DOWN )
Used to adjust LCD contrast, speaker/receiver
volume, and ringer volume.
• LCD Contrast:
Press ( ) or ( ) key while idle.
• Speaker/Receiver Volume:
Press ( ) or ( ) key during conversation.
• Ringer Volume:
Press ( ) or ( ) key during ringing.
(11) Directory
Press key to activate speed calling - system
feature.
(12) Speaker
Controls the built-in speaker which can be used for
Hands Free dialing/monitoring.
LED on key lights when key is active.
* All standard IP versions include support for full
duplex handsfree mode. All TDM and IP
enabledversions are half duplex handsfree mode.
(13) Transfer
Allows the station user to transfer established calls
to another station, without attendant assistance.
(14) Hold
Press this key to place an internal or external call
on hold.
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