Agilent Technologies 4339B - Page 68

Turning
OFF
T
est V
oltage 4339B
2.
Press
or until
the desired
range is
displayed. Or
, input
the current
value to
be
measured,
and let
the 4339B
select the
optimum measurement
range setting.
3.
press
.
Applying
T
est
V
oltage
Press
.
The
source
voltage
specied
using
the
key
is
applied
immediately
,
and
the
V
Output
indicator
turns
ON.
The
displayed
value
is
the
valid
measurement
result
when
the
applied
source
voltage
is
applied.
W
arning
Pressing may
output
dangerous
voltage
level
up
to 1000
Vdc. Do
NOT
touch
the
UNKNO
WN
terminals
or
the electrodes
of the
xture when
the V
Output
indicator
is
ON.
Turning OFF
T
est
V
oltage
Press
.
The
V
Output
indicator
will
turn
OFF
.
W
arning
If
the
High
V
oltage
Indicator turns
ON after
turning OFF
the test
voltage
,
the
DUT
is
still
charged.
This
happens
especially
for
capacitive
DUT
s
.
Do
NO
T
handle
the
DUT
while
the
High
V
oltage
Indicator
is
turned
ON.
When
the
charge
on
the
DUT
discharges
to
a safe
level(less than
42 V
), the
High
V
oltage
indicator
will
turn
OFF
.
1-24 Getting Started