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TABLE OF CONTENTS
1. SAFETY PRECAUTIONS
....................................................................................................... 3
2. GENERAL DESCRIPTION .................................................................................................... 5
3. FEATURES ............................................................................................................................... 5
4. USAGE PRECAUTIONS ......................................................................................................... 6
5. INSTALLATION PRECAUTIONS .......................................................................................... 6
6. NOMENCLATURE .................................................................................................................. 7
6.1. NF-2S ................................................................................................................................. 7
6.2. NF-CS1 ............................................................................................................................ 11
7. CONNECTIONS ..................................................................................................................... 12
7.1. Basic System Conguration ............................................................................................. 12
7.2. Connection of Commercially Available Headsets ........................................................... 13
7.3. Connection of Mute Switch ............................................................................................. 14
7.4. Sub-Unit Expansion ......................................................................................................... 15
8. INSTALLATION ..................................................................................................................... 16
8.1. Base Unit Installation ....................................................................................................... 16
8.2. Sub-Unit Installation ........................................................................................................ 16
9. CHANGING AUDIO OUTPUT SETTINGS ........................................................................ 18
10. VOLUME ADJUSTMENT ................................................................................................... 19
11. DOWNLOAD SITE ............................................................................................................... 19
12. REGARDING OPEN SOURCE SOFTWARE ................................................................... 19
13. SPECIFICATIONS ............................................................................................................... 20
13.1. NF-2S .............................................................................................................................. 20
13.2. NF-CS1 .......................................................................................................................... 21
