HP 16500A, Service Manual, Page: 18 / 144

To operate the instrument from a power source
other than the one set at Hewlett-Packard,
proceed as follows:
1. Turn the front panel switch to STBY and
turn the rear panel power switch to OFF.
Remove the power cord from the instrument.
2. Replace the main fuse with a 5 A/250 V
fuse for 230 V operation, or a 10 A/125 V
fuse for 115 V operation.
3. Set the rear panel Line Select switch for the
desired line voltage. See figure 2-1.
4. Reconnect the power cord, turn on the rear
panel power switch, then continue normal
operation.
2-7. Power Cable
This instrument is equipped with a three-wire
power cable. When connected to an appropriate
ac power outlet, this cable grounds the instrument
cabinet. The type of power cable plug shipped
with the instrument depends on the country of
destination. See figure 2-2 for option numbers of
available power cables and plug configurations.
Line Select Switch
Figure 2-1. Line Voltage Selection
HP 16500A/16501A - Installation
2-2