3-8
SECTION 3
COMPOSITE
29. AC Fuse
Two 3.0 A, 250 V, Type F, 5 x 20 mm fuses are provided for ac operation.
CAUTION:
ONLY USE 3 A FUSE OR DAMAGE TO THE COM-120C MAY RESULT.
30. Main Power Switch
Switches power applied ON an OFF.
31. Battery Access Panel
Provides access to battery.
32. RS-232 Connector
Provides serial interface for remote operations with COM-120C.
33. GPIB Connector (Option)
IEEE-488 Connector provides parallel interface for remote operations with
COM-120C.
34. Reference Connector
Provides connection for input of external 10 MHz Reference Signal.