8250A Optical Power Meter Operation Manual
1.7.2 Changing the Power Supply Voltage
1-9
1.7.2
Changing the Power Supply Voltage
1. Remove the fuse holder assembly from the rear panel.
Push both sides of the fuse holder assembly by using flathead screwdrivers (
)
and then pull it out (
).
2. Remove the power supply voltage selector from the fuse holder assembly.
3. Rotate the power supply voltage selector until the correct voltage can be seen
from the window.
4. Replace a fuse that is compliant with the specification of the power supply volt-
age (see Table 1-1).
5. Replace the fuse holder assembly into the rear panel.
1
2
100 VAC or 120 VAC: T250 mA fuse
220 VAC or 240 VAC: T160 mA fuse
Rated voltage
