Adjustments And Upgrades; Changing The Mains Voltage Or Fuse - Prism Sound ADA-8XR Operation Manual

Prism Sound ADA-8XR Multi-channel A/D D/A Converter

6 Adjustments and Upgrades

The ADA-8XR mainframe has no need for any physical calibrations or jumpers; such
calibrations as are necessary are managed in software. This is generally also true of the I/O
Modules, but any user-adjustments that might apply are detailed in the Module Reference.

6.1 Changing the mains voltage or fuse

The mains (line) fuse and the mains voltage selector are carried within the IEC inlet on the
rear of the ADA-8XR. The required fuse is a 2AT 20x5mm type. The voltage selector has
two positions: '115V' covers the range 90VAC to 130VAC, and '230V' covers the range
180VAC to 260VAC. The diagram below shows how to replace the fuse or change the
voltage selection.
To change the mains voltage selection, orient the red plastic holder with the desired voltage
uppermost as shown in the diagram below. It is necessary to swap the positions of the fuse
and a small metal clip on the opposite side of the holder. The correct side and location for
each is shown in the diagram. Replace the red plastic holder in the new orientation (with the
selected voltage AWAY from the switch) and close the cover. Check that the desired voltage
is visible through the window. Note that unless the holder is inserted in the right orientation to
match the positioning of the fuse and clip, the cover cannot be fully closed.
© Prism Media Products Limited, 2001-2004
Operation Manual - Revision 1.00
Lever up the voltage selector / fuse holder cover
by inserting a small, flat-bladed screwdriver into
the slot as shown. Remove the red plastic holder.
If replacing the fuse, use a 2AT 20mmx5mm type
and, having placed it in the same location as the
old fuse, replace the red plastic holder in the same
orientation as before (with the selected voltage
AWAY from the switch) and close the cover.
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