Force
FXTM-C
Service
Manual
Calibrating
the
Force
FX-C
Generator
Preparing
for
Calibration
Equipment
required:
• Bipolar
footswitch
and
monopolar
footswitch
•
Two
small
test
cables (less
than
61
cm
[24 in.]
long)
with
banana
plugs
• REM
plug
(modified)
•
Resistor
substihltion
box
•
Oscilloscope
• True RMS
voltmeter
(such
as
the
Fluke
8920A
or
equivalent)
•
Current
transformer
(such
as
the
Pearson
Model
411
or
equivalent)
•
Noninductive
power
resistors
(such
as
a
Dale
NH-250) 'Nith
these
values
(in
ohms):
10,20,30,100,200,500,1000,1500,1800,2000,2200,
and
3000.
If
these
exact
values
are
not
available,
you
may
substitute
series
or
parallel
combinations
of
other
values.
Entering
Calibration
Mode
vVhen
you
are
in
calibration
mode,
the
calibration
step
number
appears
in
the
Bipolar
display.
The
value(s)
associated
with
each
calibration
step
appears
in
the
Cut
and
Coag
displays.
You
use
the
Cut
and
Coag
up
(
Ll.
)
or
down
( V )
arrow
buttons
to
adjust
the
displayed
values.
1.
If
the
generator
is off,
turn
it
on.
If
YOll
removed
and!
or
replaced
the
battery,
alarm
number
212
will
appear
in
the
Cut
display
the
first
time
you
turn
on
the
generator.
Turn
off,
then
turn
on
the
generator
to
clear
the
number.
Then
calibrate
the
generator.
If
any
other
number
appears,
calibrate
the
generator
before
taking
the
appropriate
action
to
respond
to
the
number.
2.
To
enter
calibration
mode,
simultaneollsly
press
the
Recall,
Pure,
and
Low
(Desiccate)
buttons.
The
first
calibration
step
number
(1)
appears
in
the
Bipolar
display.
For
instructions
on
completing
this
step,
refer to Step 1 -
T,/erijy
the
Force
FX-C
generator data.
1£
an
error
occurs
during
calibration,
an
alarm
number
will
appear
in
the
Cut
display.
Note
the
number
and
refer
to
Responding to
System
Alarllls
in
Section
6.
Notice
After completing
any
calibration step, proceed to the next step to save the values
from the completed calibration step.
5-25
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