User Manual – Rev BE    AMETEK Programmable Power 
MX Series  229 
enable the output. Verify the phase C module output is within 
50mVolts of the C module in the master cabinet. If it is not, 
adjust the pot behind the hole in the upper left corner of the 
module so the C output matches the C master output within 
50mVolts. Press the OUTPUT ON/OFF key to disable the 
output. 
9)  If power system under adjustment is an MX135, then repeat 
steps 6, 7 and 8 above for the second auxiliary cabinet. 
10) Power down system and replace the wires to terminals 6 and 7 
on the auxiliary power modules.