B&K Precision 9171-9174 - Manual - Manual (Page 32)

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Step 1 - Check and/or Change Fuse
- Locate the fuse box next to the AC input connector in the rear
panel.
- With a small flat blade screwdriver, insert into the fuse box slit to
pull and slide out the fuse box as indicated below.
- Check and replace fuse (if necessary) for the desired line
voltage operation (see Table 1).
Step 2 - Check and/or Change Line Voltage Switch
- Carefully lift and turn the instrument upside down.
- Locate the red Line Voltage Switch, which has markings that
indicate “ 115” for 115V or “230” for 230V line operation. Set the
switch to the desired line voltage operation.
Line Voltage Switch
Rear Panel
Front Panel
(Bottom View)
Front Feet
Rear Feet
Fuse box slit
Fuse box
Check/Remove Fuse