Specifications

2–4
FM500 User's Manual
7. Turn the transmitter upside down and remove the bottom cover.
Note: The front panel filter grill must be removed to expose all of the bottom
Illustration 2–4 Underside of Transmitter—Bottom Cover Removed
cover screws for bottom cover removal and installation.
8. Locate the power distribution circuit board on the left side next to the large
transformer cover. See Illustration 2–4.
9. For 100 or 220 volt operation, change the jumper setting of P1 to the 100/
220 V setting.
10. For 220 or 240 volt operation,
• remove the jumper connecting P6 and P7.
• remove the jumper connecting P4 and P5.
• use a jumper to connect P5 and P6.
11. Replace the bottom cover, and the front grill.
12. Connect the AC power cord.
For your reference, use 12 amp fuses for 220 or 240 volt operation and 20 amp
fuses for 100 or 120 volt operation.
front of transmitter
Power
Distribution
Board