4263B
Frequency
K
ey
The
Frequency
key
sets
the
test signal
frequency value
.A
vailable frequency
values are:
100
Hz
120
Hz
1
kHz
(default)
10
kHz
(Not
available
when
the cable
length setting
is 4
m)
20
kHz
(Not
available
when
the cable
length setting
is 4
m; Option
002
only)
100
kHz
(Not
available
when
the cable
length setting
is 2
mor
4
m)
Display Mode
Key
The
Display Mode
key
selects
the
display
mode
.
The
available
display
modes
are
as
follows:
Data
Displays
the
measurement
data.
(default)
When
the
contact
check
function
is
ON
and
the
contact
check
result
fails
,
N.C.
(no-contact)
will
be
displayed
instead
of
the
measurement
data.
Comprtr
(When comparator
function
is
ON)
Displays
the
result
of
the
comparison
as
HI
(greater
than upper
limit),
IN
(passed),
LO
(less
than
lower limit),
or
N.C.
(contact
check
failed).
(When comparator
function
is
OFF)
Displays
COMP
OFF
.
O
Turns
the
display
OFF
.
Also,
if
you
select
Digit
in
this
menu,
the
menu
for
setting
the
display
digits
appears
.
Y
ou
can
set
the
display
digits
of
the
measurement
data
to
3
,
4
or
5
.
Measurement
Settings Display
K
ey
Displays
the current
settings
of
the
4263B
.
The
settings
are
sequentially
displayed
on
the
right
side
of
the
LCD
display
each
time
is
pressed.
The
following
information
is
displayed:
T
est
signal frequency
and T
est signal
level
DC
bias
value and
Averaging
rate
Trigger
delay
time and
Cable length
Comparator Upper
/ Lower
Limits
Level
monitor
value
Level Monitor K
ey
The level monitor function monitors the actual signal current owing through the DUT and the
actual signal voltage across the DUT
. The following four modes are available:
O Does not
monitor current or voltage
.
Imon Monitors current only
.
Vmon Monitors voltage only.
Both Monitors both current and voltage.
3-6 Function Reference and Technical Information