HP 5528A User Manual

Model 5528A
Flalness Measurements
9·10
d. Sw itch back 10 the Iilrge exil por i aperlure and the f ull y open relurn POri .
e. Check again for BEAM ST R ENGT H.
If a li g nm ent is still n ol good eno ugh to make BEAM S TRENGTH read in ils gr ee n area ,
repeat the e ntir e Alignment pro ce dur e.
MEASUREMENT DISPLAY SETTINGS
Measurement Units
The di splayed unit s for yo ur Flatness meas ur ement (s) will be id enti ca l to th ose for an Angular
meas ur eme r,1. Rev iew "MEASUREMENT UN IT S" information In Section a of this User 's Guide.
Measurement Mode Key s
ANGLE
[] Push 'h e ANGLE ke y.
Set-Up Keys
t AESE J
[
AESO j
Io;;;J
~
N OTES
1. To enter a va lue for any key -
a. Use the ENTRY keys to specify the num er ic va lu e, the n-
b. Pr ess the key to assign the val ue to that key.
2. To check the
curre nt status of any of these keys, jusl press
the key.
Th en press the ke y again, to return to the mode you
se lected earlier.
3. More Information about eac h key is available in Sec tion 16
of this User's Guide.
Se t this key to be "1.0" by pr essing-
08
Resolution sho uld be exte nd ed to 0.1 arcseco nd for this
m
eas ur emen t. To do thi s, pres s-
08
Th is is an imp ortant se t-up key because the Calculator program muSI know
which tilt is " p ositive" a nd which is " nesative ".
On ce the Optics are aligned, lill the Reflector and ils F oo tspacer so Its ba ck
f
oot is higher than its front foot. The Measurement Display unit's reading
sho uld be positive; if it isn't, press the DrR SENSE k ey.

HP 5528A Specifications

General

Brand	HP
Model	5528A
Category	Measuring Instruments
Language	English