Service
AVTMTTR330 Rev 3 March 2010
33
Voltage Selection
To change selected voltage: open cover, using small blade screwdriver or similar
tool; set aside cover/fuse block assembly; pull voltage selector card straight out
of housing, using indicator pin; orient selector card so that desired voltage is
readable at the bottom; orient indicator pin to point up when desired voltage is
readable at bottom (note that when indicator pin is fixed, successive voltages are
selected by rotating the card 90° clockwise); insert voltage selector card into
housing, printed side of card facing forward toward IEC connector and edge containing the
desired voltage first; replace cover, and verify that indicator pin shows the desired
voltage.
Voltage Selector Card Orientation
1. Insert a pocket screwdriver at point “X” as shown. Gently lift UP until the
entire door lifts up approximately 1/4" (minimum).
2. Once lifted, the door will pivot on its hinges and expose the fuse holder.
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