(DCV
LED
(Green)
The
LED
keeps
lighting
in
process
of
constant-voltage operation.
It
goes
off
when
the
output
is
turned
off.
®CC
LED (Red)
This
LED
keeps
lighting
in
process
of
constant-current operation.
It
goes
off
when
the
output
is
turned
off.
©OUTPUT
LED (Red)
This
LED
keeps
1ighting while preset
power
is
being
output
through
the
output
terminals.
©OUTPUT
key
Turns
the
output
on and
off.
When the
output
is
turned
on, the OUTPUT LED ®
goes
on, and the
voltmeter
© and
ammeter
©
display
the
voltage
and
curren
J
being
output
through
the
output
terminals.
©LIM
key
Allows
to
check
voltage
and
current
set
with
the
VOLTAGE
control
® and
CURRENT
control
©.
While
the LIM key is
being pressed,
the
voltmeter
©
and
ammeter
©
display preset voltage
and
current.
©OVP
control
A
semi-fixed control
for
setting
OVP
(over-voltage protection) operation
voltage.
Clockwise
rotation
increases
set
voltage.
©OVP
key
Allows
to
check
OVP
operation voltage
set
with
the OVP
control
©.
While
the
OVP key is
being pressed,
the
voltmeter
©
displays preset voltage.
©OVP
LED (Red)
This
LED
indicates
OVP
operation condition.
It
goes
on
if
voltage
output
through
the
output
terminals
exceeds
OVP
operation voltage
set
with
the
OVP key ©
while
the
output
is on (and the OUTPUT LED © is
lighting).
If
this
LED
goes
on, the
output
is
turned
off (and the OUTPUT LED ©
goes
off).
©ALARI
LED
(Red)
If
an
error occurs
in the PS
Series,
this
LED
goes
on, the OUTPUT LED ©
goes off,
the
output
is
turned
off,
and the
main
AC
relay
turns
off.
While
this
LED is on, al1
digits
of the
voltmeter
© and
ammeter
®,
except
the
decimal
points,
are
off,
and the
output
may not be
turned
on
with
the
OUTPUT key ©. By the way,
this
LED
goes
on
when
the
POWER
switch
® is
deactivated
(switch
released).
This
does
not
mean
an
error
in the PS
Series.
17
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