Table of Contents
Advertisement
Model
5315A/B
Operation
3~40.
A
low
pass
fi
lter for Channel
A
in
p
ut
is
p
ro
vided.
W
it
h
t he FILTER
NORM
key
in
the "IN"
position, frequencie
s above
100 kHz
are effect
ively
atten
uated. W
ith
the FILTER NORM key
in
th
e
"OUT" (N
ormal
)
posi
tio
n
the
re is no
effect.
3-41
.
TRIGGER LEVEL/SENSITIVITY CONTROLS
3~42.
Th
e
Trigge
r
Level/Sensit ivity
contro
ls provided for
each
cha
nnel
operate
as
fol lows: W it
h
the
TRIGGER
LEV EL/SENSITIVITY key
in th
e
"
OUT" position,
th
e
LEVELISENS
control
ad
justs
t he
t
ri
gger level,
(over
a range of
±
2~
vo
lt
dc in
An
N
Xl
,
or
±40~
vo
l
t
dc
in
An
N
X20).
W
ith
the
TRIGGER
LEVElI.SENSITI
V/TY
key
in
t he " IN"
position,
the
LEVELISE
NS
control
adjusts t
he input
sensitivity
f
rom MAX (10
mV up
to
10
MHz, 25 mV up
to
100MHz
)
w
ith
co
ntrol
full
y
cw
to
MIN
(greater
than
500
m
Y)
w
ith control
f
ully
ccw
(see Figure
3 ~5
)
.
SENSITIVITY
MAX--
'"
10
mV
MIN
>
500
mV
~Al~
mV
=
1==
=_
===
-
ov
1
_
_
____
_
_
___
----------
Figure
3~5.
Trigger
Level/
Semilivi{
y
Controls
3-43.
DISPLAY
Trigger Level adjustable
over
!
2
\/OIlS with
sensitivity
oonstant
at MAX
Sensitivity adjustable
from
~
10
mV
to
>
500
mV
w
ith Trigger Level constanl
at 0
IIOlls
3 ~44.
The 5315A/B
counter display
consists
of ni ne 7-segment LED's, providing
eight
digits
of
resolution and a
one
~di
git
exponent. All
measurements
are
di splayed
in
eng ineer
ing
notation
(Le., exponents of
blank
0, ±3, ±6, or
±
9)
w ith automatic
decimal
point
locat ion
.
An
nun
ciators
for indicating
the
measurement
units Hz,
for Hertz,
and
s,
for
seconds
are provided.
The
OVFL
ann
unciator
indicates
that
the
le
ft
~m
ost
sig
nif icant digits have overflowed t he
disp
lay.
The
GATE
an
nunciator indicates
t he cou nter
has
bee
n
triggered
and
a measurement
is
in
progress.
The
ERROR an
nun
ciator indicates a failure
during power-up
se lf-check (see
paragraph
3~52
)
.
Battery
annunci
ators
DISCHG and CHG (on
Models 5315A
o
nl
y)
are
active
only w
hen Optio
n
002
is instal
led. For a
description
of
O
ption
002,
see pa
ragra
ph
8-60.
3-45. OPERATOR'S CHECKS
3-46.
A procedure
for
verifying the
basic
operation
of
the
5315A/B
is
p rOVided
in
Figure
3-10.
Th
is
check
utilizes
the
inst
rument's
self-
ca libration
cycle and
visu
al
ve
ri
fication of f
ron
t pane
l
controls
by
front pane
l indi
cators. No
addi
tional
eq
u
ipment
is requ
ired.
NOTE
This check
is
not
intended
to
verify the accu racy of
p
erfo rmance
specifications o
f
the
instrument.
3-
7
Advertisement
Table of Contents
