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Operation
Model 8902A
Detailed Operating Instructions Section
The Dctailcd
Opcraf
ing Ins/riitlions provjde a complete operating reference for the Measuring
Receiver user. The instriictions are organized into tabbed sections oriented toward specific
measurement types. Besides information on the various measurements, the instructions contain
individual discussions of nearly all controls, inputs, and outputs. Also included are instructions for
using the many user special functions.
A
guide to using the Detaikd Opcrating
Instructions is
provided
ahead of the instructions themselves.
Other Sources of Operating Information
Pull-Out Cards
The Oprrating Informalion and Special Fitnction In.formation Piill-Oiit Cards are flexible plastic
reference sheets attached to the Measuring Receiver by a tray located beneath the front panel.
They contain a brief summary of front-panel operation and displays. Also included on the cards is
a complete listing of HP-IB codes, data, and error output formats, error codes, and user special
functions. The cards show a simplified block diagram for the Measuring Receiver and provide
basic instructions for R F Power and Tuned RF Level Measurement operation. The pull-out cards
are
intended to be
n
reference for the user who already has a basic understanding of front-panel
operation.
Supplemental Information
Other information, pertinent to operating the Measuring Receiver to its fullest capabilities, are
contained in Swtion I . "Principles of Operation for a Simplified Block Diagram" (in paragraph
1-10) is a fundamental description of what the Measuring Receiver is and how it works. This
information supplements the block diagrams provided o n the pull-out card and in the Dc.taikd
Op~wting /n.striic/ion.s. "Modulation Basics" (in paragraph
1-1 1 )
is a discussion about the way the
Measuring Receiver makes modulation measurements. All of this information helps to provide a
basis for applying the Measiiring Receiver to various measurement situations.
3-2. OPERATING CHARACTERISTICS
OF
THE MEASURING RECEIVER
The major operating characteristics of the Measuring Receiver are provided in paragraph 1-6,
De~cription, and Table 1-1. Sp~~(/ic*ulion.s.
For information on HP-IB capabilities, refer to Rcmote
section in this manual.
3-3.
OPERATOR'S INFORMATION
Fuses
(WARNINGI
For con(iniicd protcvlion u.gain.l.1
,fire
hazard, rcylacc
lhc
linc
jiisc only wilh
u
250 V norniul hlo w
jitsc>
qj'
(hc samc ruling.
Do not
i i s c
rcyaircd j i i ~ c s or
s
h orr -circ*i
i
it ed j i iseh olders.
The only maintenance the operator should normally perform is the replacement of the primary
power fuse located within the Line Power Assembly (A30). For instructions on how to change the
fuse, refer to Figure 2-1, steps 1 and 3.
Fuses can be ordered using HP part number
21
10-0083, 2.5A (250V, normal blow) for 100/120 Vac
operation or 21
10-0043, 1.5A
(250V, normal blow) for 220/240 Vac operation.
3-2
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