Covidien Force FX, Руководство по обслуживанию

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Calibrating the Generator
Setup, T
ests, and Adjustment
Force FX Electrosurgical Generator C Service Manual
5-35
Checking the Voltage Sense Gain for Monopolar 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 3000 Ω resistor to the test cables through the current transformer for
monopolar output.
e.
Connect a monopolar footswitch to the Monopolar 1 Footswitch receptacle on
the rear panel.
2.
Check and adjust the V factor for the Low and Pure cut modes.
a.
Press the Pure button.
b.
Press the footswitch cut pedal and check the voltmeter for a reading equivalent to
216 ± 3 mA
rms
.
c.
Stop activation. Do one of the following:
• If the output current reading was too high, raise the V factor by pressing the
Coag up arrow (

) button.
• If the reading was too low, lower the V factor by pressing the Coag down
arrow (

) button.
Repeat this step until the voltmeter reading is within the stated range. The V factor
for the Low cut mode is adjusted automatically.
3.
Replace the 3000 Ω resistor with the 2000 Ω resistor.
4.
Check and adjust the V factor for the Blend mode.
a.
Press the Blend button.
b.
Press the footswitch cut pedal and check the voltmeter for a reading equivalent to
300 ± 3 mA
rms
.
c.
Stop activation. Do one of the following:
• If the output current reading was too high, raise the V factor by pressing the
Coag up arrow (

) button.
• If the reading was too low, lower the V factor by pressing the Coag down arrow
(

) button.
Notice
Do not activate the generator with any load resistor lower than 3000
Ω
while calibrating the
voltage sense gain for the Low and Pure cut modes. Do not activate the generator with any load
resistor lower than 2000
Ω
while calibrating the voltage sense gain for the Blend mode.
Otherwise, product damage will result.