Novametrix Medical Systems MARS PO2 TECH 2001 Service Manual page 45

Mains Voltage Configuration
3. Using a flat blade screwdriver, pry the fuse access door open to expose the fuse housing. Pry
the fuse housing out from the power entry module.
4. Install the proper type and rating fuse for the mains voltage setting required.
5. Position the housing into the power entry module so that the desired voltage is furthest away
from the switch (see below).
6. Close the fuse access door and verify that the proper mains operating voltage is displayed.
Rev. 01
Fuse housing
Fuse access door
Set for 100-120V operation
Section 8
Set for 200-240V Operation
Line operating voltage
Model 2001 Service Manual
Maintenance
39