DIGITAL THRU socket on the last projector in the chain.
SLAVE MODE
To enable the Slave Mode, set the No. 10 switch on the ON position
and No. 9 switch on the OFF position. The projector will work in Slave
Mode when it is connected to an other projector which is in Master
Mode or it will work in DMX Mode (with address No.1) if it is
connected to a DMX controller.
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