To use the microphones
Set "Input Select" to "MIC", and "Mic Select (MIC)" to "EC-MIC (A7)" on
the Basic Setup1 page of the Audio setup menu. (page 60)
Notes on placing the PCSA-A7 microphones
• Position the microphones about 50 cm (1.6 ft) away from the participants.
• When using speakers, do not place them in front of the microphones. In
addition, avoid placing the speakers where participants may come between
it and the microphones.
Configuration using the PCSA-A7 microphones
Power is supplied to up to eight microphones connected to the Visual
Communication System or the AC adaptor, including cascade connections.
However, using the 8-meter microphone cable counts as 4 microphones.
Power is not supplied to any connected microphones that exceed this limit.
You can add more microphones, by connecting the AC adaptor to the first non-
• Up to 40 PCSA-A7 microphones can be connected to one port, using a cascade
• The POWER LED turns off on a microphone with no power supply.
Setup example 1:
The 8-meter microphone cable counts as four microphones, and power is
supplied to only the first four microphones. The same is true if the 8-meter
microphone cable is used in the middle of the connections.
Using the PCSA-A7 Microphones