3
Controls and connectors
Power switch
•
Connects power supply to Model 2283FT(i);
should be left in OFF position when instrument is
not in use.
Power meter
•
Should read in the green zone when power switch
is in ON position.
Power connector (back panel)
•
Connect supplied wall-mount transformer power
supply to this jack.
4
Four-pin input connectors (back panel)
•
Connect the two supplied Fetrode™ buffer
assemblies to these black receptacles, which are
located on the left side of the back panel.
Green ground reference connector (back panel)
•
Plug the supplied ground reference lead into this
0.080” jack, located between the two four-pin
Fetrode™ connectors.
Amplification switch
•
Use this four-position rotary switch to select the
amplification (gain) factor applied to the Fetrode™
buffer assembly outputs.
•
Choices are
o
X10
o
X100
o
X1000
o
X10000
