Giga-tronics 8650A Series, Руководство по эксплуатации

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Introduction
Manual 31470, Rev. E, April 2001 1-5
1.2.2 Line Voltage and Fuse Selection
The instrument is shipped in an operational condition and no special installation procedures are
required except to check and/or set the operating voltage and fuse selection as described in the
following.
When the instrument is shipped from the factory, it is set for a power line voltage (120 Vac for domestic
destinations). The power line fuse for this setting is 0.50 A Slo-Blo. If the source voltage is to be 220 to
240 Vac, the fuse must be changed to 0.35 A Slo-Blo (see Figure 1-1).
The voltage selector and fuse holder are both contained in the covered housing directly above the AC
power connector on the rear panel. To gain access to them, use a small screwdriver or similar tool to
snap open the cover and proceed as follows:
1. To change the voltage setting:
Use the same tool to remove the voltage selector (a small barrel-shaped component marked
with voltage settings). Rotate the selector so that the desired voltage faces outward and replace
the selector back in its slot. Close the housing cover; the appropriate voltage should be visible
through the window (see Figure 1-1).
2. To replace the fuse:
Pull out the small drawer on the right side of the housing (marked with an arrow) and remove
the old fuse. Replace with a new fuse, insert the drawer and close the housing cover
(see Figure 1-1).
1.2.3 Power Sensor Precautions
Power sensor safety precautions, selection, specifications, and calibration are detailed in Appendix B to
this manual.
Figure 1-1:
AC Power Connector & Fuse Housing
110
120
VOLTAGE
SELECTION
WHEEL
COVER
FUSE AND
FUSE HOLDER
AC POWER
INPUT