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Module Installation Rules
The rules for installing modules (SI-AD4/SO-DA4) are as follows.
Be sure to follow these rules when installing.
■ Installation must start from an odd-numbered slot.
You must not begin an installation
from an even-numbered slot.
SI
SI
SI
SI
SO SO SO
Empty
■ Group together modules
of the same type.
Never insert modules of a different type
in the middle of a series of identical modules.
SI
SI
SI
SI
SI
SI
■ The modules installed in a device serving as the counterpart to a device
for which the REAC mode is Master need to be of a different type.
Master device
SI-AD4
SI-AD4
SI-AD4
SI-AD4
SI-AD4
SI-AD4
SI-AD4
SI-AD4
SO-DA4
SO-DA4
SO SO
■ On a device for which the
Never leave slots 1 and 2
on a Master device empty.
SO SO
SI
SI
Slave/Split
device
SO-DA4
SO-DA4
The audio input into the Master device is transmitted to the modules
on the connected device (a Slave device or the like).
SO-DA4
SO-DA4
No audio is transmitted to empty slots.
SI-AD4
No audio can be transmitted when the modules installed on the
connected device (a Slave device or the like) are of the same type.
SI-AD4
Signals can be transmitted from a Slave device to the Master device.
SI-AD4
However, transmission from a Split device to the Master device
SI-AD4
is not possible.
SI-AD4 / SO-DA4 Installation Manual
Modules of a different type
cannot be installed
in even-numbered slots first.
SI
SI
SI
SI
SI
SO SO SO SO
REAC mode is Master,
be sure to install modules
in slots 1 and 2.
Empty Empty
SI
SI
SI
SI
SI
SI
SO SO
= SI-AD4
SI
= SO-DA4
SO
SO
On a Slave or Split device,
leaving slots 1 and 2 empty
poses no problem.
3
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