Fluke PM3370B Musical Instrument User Manual


 
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.