Agilent Technologies 4339B - Page 93

4339B
Front
P
anel
LINE
Switch
The
LINE
Switch
turns
the
4339B
ON
or
OFF
.
In the
1(ON)
position power
is applied
and all
operating
voltages
are
applied
to
the
instrument. In
the 0
(OFF) position
no power
is applied
and
no
operating
voltages
are
applied
to the
instrument.
The
4339B
's
settings
are
held
in backup
memory for
about 72
hours after
power is
turned OFF
.
Refer
to
\Reset
Key
"
for
the
backed
up
settings
.
Note
V
Output
ON
/OFF
state
is not
saved, and
the 4339B
sets the
V
Output
to
OFF
at
power-on.
Note
If
you
turn
the
4339B
OFF
and
then
quickly ON
again, it
can cause
an
error
and
the
4339B
may
not work
normally.
To
prevent
this
,
wait
for
at
least
1
second
before
turning
ON again.
Interlock
Connector
The
4339B
's
Interlock
Connector
provides
safety
from
high
voltages and
identies which
test
xture
is
connected.
It
enables
which
applies
the
test
voltage
to
the
test
xture
,
according
to
the
following two
tables.
T
able
3-1.
Interlock
Condition
for
16008B
and
16339A
Interlock
Connector
Interlock
Switch
1
Source
V
oltage
Not
connected
| Disabled
Connected Open Disabled
Connected Closed Enabled
1
The
condition
whether the
test xture's
cover is
open
or
closed.
T
able 3-2.
Interlock Condition
for
16117B
Low
Noise
T
est
Leads
Interlock
Connector
Source
V
oltage
Not
connected
Disabled
Connected Enabled
1
1 The available current limit setting is
0.5 mA only
.
Function Reference 3-3