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Model
5528A
Straightness
Measurement
s
11
-20
4.
Reset the Measurement
Display,
and
return the
machine
to
the near end of
travel.
5.
At
the
near
end of
travel,
move
the
Interferometer or
the Reflector in
a
direction
parallel
with
the
slotted opening
in
the
Reflector
until
the Measurement
Display
reads
zero.
If
beam strength
again
gets
too
low,
turn the Laser Head
10
regain
adequate
beam
strength, and
translat
e
the Laser Head to
prevent clipping of
the beam
by
Ihe
Interferometer.
6.
Repeat step
" 1"
through
step
"
5" as often
as
necessary to make
measurementS
at
both
ends
of
travel
come out
to be
" zero"
.
Other Mounting Requirements
Although
we
have tried
to
provide
you with
a
maximum of
mounting flexibility
,
there
may be
situations
when you
need more
capability.
For more information
,
you
should turn to
Appendix C
for
dimensions
of the
Opti
cs
and the
mounting
hardware.
MEASUREMENT DISPLAY SETTINGS
NOTE
Measurement
Display settings are
the
same with or without
sensors.
Measurement Mode Keys
STRAI GHTN
ESS
00
Press
the
key
corresponding
to the length
of
the measurement
-
Use
LONG
for
1 metre to
30
metres
(3
feet to
100
feet)
LONG
SHOR
T
Use SHORT
for 100 nun to
3
metre (4
in.
to 10
feet)
Set-Up Keys
NOTES
1.
To
enter a va
lue
for
any
keys-
a.
Use the ENTRY
keys to
specify
the numeric
va
lue,
b.
Press Ihe key
10
assign
the
value
to
that
key.
2.
To
check
the
cu rren
t
statu
s
of any of
these
keys, Just press
the
key.
Then
press the key
again,
to
return to
the
mode you
se-
lected
earlier
.
3.
More information about each
key
is
available in
Section
16
of
this
User's
Guide
.
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