NEC VERSA DOCK Service Manual page 64

External Audio Options
The NEC Versa Dock automatically supports sound from the
system speakers on the NEC Versa, and also comes
equipped with built-in audio ports that let you record and
play sound. A volume control knob lets you control the
volume of connected external speakers or headphones.
Connect audio devices, like a microphone, line-out and line-in devices,
headphones, or optional external speakers to the audio ports as follows.
1. Power off the NEC Versa Dock and the NEC Versa.
2. Locate the audio port that you want to use.
:
If the audio device you intend to use uses AC power, the
line out port is recommended. If the audio device is
unpowered, the headphone jack is recommended.
3. Plug the jack into the port on the side of the NEC Versa Dock.
A - Microphone port B - Line-in port
C - Line-out/speaker port D - External speaker/headphone port
4. Power on the NEC Versa Dock and NEC Versa.
2-48 System Configuration and Setup
Audio ports