HP 5528A

Model SS28A
First Lo ok
2- 10
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1. The " LASER ON " indic at or se r ves the s ame function as the front-panel " LA S ER ON "
indicator.
2. Th e " READY " light shows you wh en the la sel is re ad y to mak e mea surement s. At powe r-up ,
the
la ser tube begins a tuning cy cle to stabilize its reference fre qu en cy . Halfway through the
stabilization
cy cle, " READY " will slar! fla shing; when the cycle ha s completed, " READY" will
be lighted steadil y.
3. Th e " MEA SU REMENT DISPLAY " c onn ector is the connecting point for the ca ble from the
Measurement
Display unit .
Fi gur e 2-4. La se r He ad - Rear