XIII

FRONT PANEL CONNECTIONS

Probe Adjust

Squarewave output signal for e.g. probe calibration.

Amplitude is calibrated.

CH1

BNC input socket for vertical channel 1 with probe indication contact.

CH2

BNC input socket for vertical channel 2 with probe indication contact.

CH3

BNC input socket for vertical channel 1 with probe indication contact. (only in 4 channel models)

CH4

BNC input socket for vertical channel 1 with probe indication contact. (only in 4 channel models)

EXT TRIG

BNC input socket used as an extra external trigger input with probe indication contact (only in 2 channel models)

Ground socket (banana): same potential as safety ground.

The measuring ground socket and the external conductor of the BNC sockets are internally connected to the protective earth conductor of the three-core mains cable. The measuring ground socket or the external conductor of the BNC-sockets must not be used as a protective conductor terminal.

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Fluke PM3370B user manual Xiii, CH1, CH2, CH3, CH4, EXT Trig