1.2.1
Voltage and Fuse Selection
When the GT 9000 is shipped from the factory, it is set for a line voltage of 120 V for domestic
destinations. The power line fuse for this setting is a 4 A 3AG Slo-Blo. If the instrument is set
to operate on a 240 V power line, the fuse must be changed to a 2 A 3AG Slo-Blo.
To select a different operating line voltage and fuse, proceed as follows:
1.
Open the cover door and rotate the fuse-pull to the left; remove the fuse.
2.
Select the operating voltage by orienting the PC board so that the correct voltage label
is on the top left side.
3.
Push the board firmly into the module slot.
4.
Rotate the fuse-pull back into the normal position and reinsert the fuse into the holder,
using care to select the correct fuse value.
Operating voltage is shown
in the module window
Figure 1-2. Voltage Selector and Fuse Holder
Introduction
Manual No. 120AM00250, Rev C, September 1998
1-5
Summary of Contents for GT 9000
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