Yamaha PJP-50R - Manual (Page 34)

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CONF
IGUR
A
T
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English
To have a meeting in a large conference room or with a large number of persons, some ProjectPhone systems can be
connected as slave units to this system. The number of connectable systems varies depending on the installation
environment.
y
• In an interlocked connection of the ProjectPhone systems, allow a distance of at least 2 meters between them.
• Set the “Room Size” to “Small” for an interlocked connection.
• If echo or howling is produced, install the ProjectPhone systems at larger distances or decrease their volumes.
• Do not set the volume of the ProjectPhone systems connected as the master or slave units to 0. Otherwise, echo may be produced.
■ Connection
Using stereo mini-plug cables, connect the AUDIO OUT terminal of each ProjectPhone system to the AUDIO IN
terminal of another ProjectPhone system. The following illustration shows an example of an interlocked connection of
three ProjectPhone systems including this system.
■ Setup of the Master unit
Set “External Input/Output” to “Connection (Master)”.
The display shows .
Using the keys on this unit
In the initial display, select “Menu”
→ “Settings” → “Sound
Settings”
→ “External I/O” → “Connection(mstr)”.
Using the Web menu
In the Web menu, select “External Input/Output”
→
“Connection (Master)”.
■ Setup of the Slave units
Set “External Input/Output” to “Connection (Slave)”. The
display shows .
Using the keys on this unit
In the initial display, select “Menu”
→ “Settings” → “Sound
Settings”
→ “External I/O” → “Connection(slv)”.
Using the Web menu
In the Web menu, select “External Input/Output”
→
“Connection (Slave)”.
Interlocked Connection of ProjectPhone Systems
LINE LAN DC IN 12V IN AUDIO OUT
+ -
LINE LAN DC IN 12V IN AUDIO OUT
+ -
LINE LAN DC IN 12V IN AUDIO OUT
+ -
Master unit (This system) Slave unit Slave unit
Connect the master
unit to the network
or an analog
telephone circuit.