John Fluke 3330B Manual page 11

3330B
MA
f»
VOLTS
METER READING
CURRENT
or
VOLTAGE
V-nen depressed, the
root
panel
meter
Ir^dicates the
output
current or voltage
INDICATOR LAMPS
Indicates either the selected
output
current
or voltage present at the
OU
Indicate current
or voltage
mode,
current
limit/voltage trip,
operate
mode,
,3n
d ou tg u
t
v
o
1
1
a
ge
I
CROWBAR
When
activated, places a
ohm
load across the
rPUT
terminals
to
w
setting of the
cur-
limit, or limits
the
pliance voltage
when
changing
loads
on
STDBY
KtSfc
I
iRD Terminc
l
ides a
means
of eliminating circulating
ground
mts through the load
when
properly connected.
5E Terminal
/vs
the regulating circuitry within the instrument
!
connected
directly to the
OUTPUT
terminals
e load.
When
depressed, ac
power
is
applied
to
the Auxiliary
circuit
only,
thus preventing
any
PUT
Terminals
des
connection
of the
instrument output
to the
REMOTE
REAR
PANEL TERMINALS,
FUSES,
AND CONNECTOR
(not
shown)
TERMINALS
ed
In
parallel
with the front panel
GUARD,
SENSE,
and
ils.
Transfers operating ccnt'ol functions
to
the
rear panel
Remote
connector.
ammlng
circuitry
from
overloads,
ut
circuitry
from overloads.
CTOR
>n to
remote
programming equipment. Programming
I,'.
I I .
to this
connector are
in
effect
when
the front panel
Ki
ivii.)(t
switch
IS
depressed.
Figure
2-3.
LOCATION OF CONTROLS, TERMINALS,
AND
INDICATORS
VOLTAGE
rnip
TO Selects the 0
to
1
1
output
voltage
trip
range.
100
Selects the
o to
1
10 output
voltage
trip
range,
1000
Selects the 0 to
1100 output
voltage trip range.
VERNIER
Slide
switch used to select
1%
to
110%
of the voltage
trip
range.