Valleylab Force FX-8C, Service Manual

Page: 121 / 218

Calibrating the Generator
Setup, T
ests, and Adjustments
Force FX-8C Service Manual 5-37
Checking Bipolar Output
1.
Connect the test equipment for bipolar output.
a.
Connect the two test cables to the Bipolar Instrument receptacle.
b.
Connect the 30 ohm resistor across the output jacks at the end of the
test cables.
c.
Connect the bipolar footswitch to the Bipolar Footswitch
receptacle.
2.
Press the Precise button.
3.
Check the ECON for the selected bipolar mode.
a.
Verify that the Coag display shows 30.
b.
Use the bipolar footswitch to activate bipolar output for between
two and five seconds.
c.
Stop activation. Verify that the Coag display changed to 70.
d.
Use the bipolar footswitch again to activate bipolar output for
between two and five seconds.
e.
Stop activation. Verify that the Coag display changed to 30.
If the display did not change as described, call the Valleylab Service
Center.
4.
To check the Standard mode, press the Standard button and repeat
step 3.
5.
To check the Macro mode, press the Macro button and repeat step 3.
6.
Disconnect the test cables and remove the 30 ohm resistor.
Checking Monopolar Cut Output
1.
Connect the test equipment for monopolar output.
a.
Connect one test cable to the left jack in the Monopolar 1/CEM
Instrument receptacle. Pass the test cable through the current
transformer and connect the current transformer to the voltmeter.
b.
Use a test cable to short the two pins on the Patient Return
Electrode receptacle.
c.
Connect the second test cable from the voltmeter to both pins of the
Patient Return Electrode receptacle.
d.
Connect the 100 ohm resistor to the test cables.
e.
Connect a monopolar footswitch to the Monopolar 1 Footswitch
receptacle on the rear panel.
2.
Press the Low button.
3.
Check the ECON for the selected cut mode.
a.
Verify that the Coag display shows 30.
b.
Press the footswitch cut pedal to activate monopolar output for
between two and five seconds.