Comb
Generators
model
CGO
‐
520
Page
7
of
11
(949)
459
‐
9600
www.com
‐
power.com
Rev.
0216
Controls and indicators
Power
on
Switch
This
is
located
on
the
side
of
the
Comb
Generator.
It
not
only
powers
unit
on
or
off,
it
also
enables
or
disables
the
signal
output.
Output
connector
The
comb
generator
output
is
available
at
the
SMA
(f)
connector
located
on
the
top
of
the
unit.
This
output
can
be
used
for
radiated
or
conducted
emissions
testing.
For
radiated
measurements,
the
monopole
antenna
is
attached
to
this
connector.
There
are
two
antennas
with
SMA
male
connectors
provided
to
cover
the
Comb
Generator
radiated
frequency
range.
Please
refer
to
page
3
to
determine
the
approximate
frequency
range
of
each
antenna.
The
antenna
can
be
disconnected
for
conducted
emissions
measurements.
Do
not
connect
the
Comb
Generator
conducted
output
to
a
Line
Impedance
Stabilization
Network
(LISN)
that
is
connected
to
AC
power.
We
also
do
not
recommend
connecting
the
Comb
Generator
conducted
output
directly
to
a
preamplifier
input.
Power
On
indicator
The
green
power
on
LED
is
lit,
the
Comb
Generator
is
powered
on
and
output
is
available
for
measurement.
Battery
Low
indicator
When
red
battery
Low
LED
is
lit,
the
internal
battery
needs
recharging.
The
output
may
not
be
reliable.
Turn
off
Comb
Generator
and
charge
the
battery
with
the
supplied
adapter.
The
approximate
time
to
fully
charge
the
battery
is
8
hours.
The
Comb
Generator
can
operate
approximately
18
hours
when
fully
charged.
Please
note
however,
that
the
operating
time
given
in
this
manual
is
approximate
and
depends
on
the
condition
of
battery,
storage
period
and
the
number
times
it
has
been
charged
and
discharged.
If
the
operating
time
keeps
decreasing,
you
may
need
to
replace
the
battery.
