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After setting up your OutBack Parallel Stacking and establishing the Master and Slave order, shut o  all the AC input and output breakers and check your system via the following MATE screens:ADV/FX/STACK---------P04                   
stack   OB  Slave                  L1
phase
DOWN   INC     DEC    PORT
ADV/FX/STACK---------------                   
 stacking setup                
 completed
               TOP    ADV    MAIN
ADV/FX/STACK---------P04                   
power save level                  3
slave adjust only
DOWN   INC     DEC    PORT
From the ADV/FX/STACK power save level slave adjust only screen, press the <DOWN> soft key, the 
<TOP> soft key, and then the <DOWN> soft key.  
ADV/FX/STACK---------P04                   
power save level                  2
master adjust only
DOWN   INC     DEC    PORT
ADV/FX/STACK---------P04                   
power save level                  1
master adjust only
DOWN   INC     DEC    PORT
ADV/FX/STACK----------P04                   
power save level                    0
master adjust only
DOWN   INC     DEC    PORT
Verify this is the power save level 
master adjust only screen. Press 
the <PORT> soft key until P01 
appears on the screen. Turn on all 
of your FX AC Output breakers. 
The Master FX’s “INVERTER” LED 
should be solid and all the Slaves 
“INVERTER” LED’s should be 
blinking.
Press the <INC> soft key to adjust 
the “power save level master adjust 
only” from 0 to 1 and watch the 
1st Slave’s “INVERTER” LED go solid. 
When the “INVERTER” LED is on 
solid, this means that the inverter 
is on.  When the “INVERTER” LED on 
the Slave is blinking, this means the 
FX is asleep.
Press the <INC> soft key once 
to adjust the power save level 
master adjust only to 2 and 
watch the 2nd Slave’s “INVERTER” 
LED turn on
ADV/FX/STACK---------P01                   
power save level                  0
master adjust only
DOWN   INC     DEC    PORT
ADV/FX/STACK---------P01                   
power save level                  3
master adjust only
DOWN   INC     DEC    PORT
Press the <INC> soft key once to 
adjust the power save level master 
adjust only to 3 and watch the 
3rd Slave’s “INVERTER” LED turn 
on.  If the system has more than 
three Slaves, keep increasing the 
value in the power save level master 
adjust only screen and verify that 
each Slave’s “INVERTER” LED comes 
on as expected. This check veri es 
all FXs are stacked correctly.
Adjust the power save level 
master adjust only to 0 by 
pressing the <DEC> soft key.