Model
5528A
St
ra
ig
htn
ess
Measurements (
Along
A Hori
zo
ntal Axis)
MEASUREMENT DISPLAY SETTINGS
NOTE
Measurement Displ
ay
se
ttings are the same with
or
witho
ut
se
nsors.
Mea
s
urement
Mode
Keys
STRAIGIITNESS
Pr
ess
the key
cor
respo
ndin
g
to
the length o f
Ih
e measurement -
Use
LONG for 1
metr
e to
30
me
tr
es
(3 feet
to
100
feet)
LONG SHORT
U
se
SHORT for
100
mm
to
3 me
tr
es
(4 in . to
10
feet)
Set
-
Up
Keys
Io;;;j
~
(
RE
SO
l)
t
RESE
J
NOTE
S
1. To e
nt
er a
val
ue for any k
eys-
a.
Use the
ENT
RY
keys
to
specify the
num
eric
va
lu
e,
b.
Pr
ess
the key to assign the
va
lu
e
to
thaI key.
2.
To
check the c
urr
ent status
of
any of th
ese
key
s,
ju
st
press the
key. Then
pr
ess
the key again, to ret
urn
to
the m
ode
you
se
l
ede
d earlier.
3.
More
information
about each key
is
ava
ilable in
Sec
tion
16
of this
Use
r's Guide.
Determine which direction
of
moli
on
yo
u want to be "
po
sitive"
or
"negative",
by pressing slightly on the Straightness I
nterf
e
rometer
and
pre
ss
ing
this
button
jf
the dire
ct
ion you pushed
ca
u
se
d th e
"w
rong"
sig
n
for
the reading. Remember
thaI opp
osi
te perpendicular motions for
the
Int
erferometer and
the
Refle
ctor
r
es
ult in rea
din
gs
with
the
same sign.
Determine the resolution
yo
u need
from
the
accuracy you
wa
n
t.
Enler the
number
of places you want, and then press this key.
for
Short Straightn
ess
measurement
s,
resolu t
io
n
ex
te
nd
s
to
five places (0.
00001
)
for millimetres, and to six places (0.
000001
)
fo
r inches.
for
Long
St
ra
ighlllc
ss
measurements, resolution
ex
tends
to
four
pl
aces
(0.
0001
)
for
millimetres. and to
fi
ve
places (0.
00001
) for
in
ch
es.
This key also allows
yo
u
to
"smoo
th" yo
ur
data by
entering
a positive
numb
e
r.
A
negative resolution
number
w
il
l remove any
smoothing
. Smoot
hin
g redu
ces
the
effects
of
vibration.
In this measurement mode, this key
multiplies
the measured
va
lue by a preset
(stored)
va
lu
e.
The
multiplier
value
is
" 1
",
unl
ess
you hilve e
nt
ered some
other
value (other than
"0"
).
10
-19
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