Model 8642A/B
Operation
SECTION HI
OPERATION
INTRODUCTION TO SECTION HI
The information in this section describes both general and specific operation of the HP
8642A/B.
If you have no experience with the Signal Generator, you should first read
Operating Fundamentals (included with this Volume I as a separate booklet) which is
intended only as a familiarization guide. Although this Section III can be used to learn
basic operation, you might feel there is more information here than you need. After you
read Operating Fundamentals you can use this Operation Section for additional
information.
Figure 3-1 in Operating Information (page 3-3) is a graphic representation of the Signal
Generator's basic operation. This figure shows most of the keys that you use to operate the
instrument. Similar diagrams that show more specific functions (and their associated keys)
are available on pages 3-34, 3-38, 3-68, 3-96, 3-136, 3-156, 3-166, and 3-17
8.
Figure
3-2 on page 3-4 shows rear-panel features.
The major functions of this section are grouped as follows:
Operating Information
HP-IB Remote Operation
Detailed Operating Instructions
RF Frequency
Amplitude
Modulation
Setting Modifications
Recall Registers
Special Functions
Messages
Appendixes
Index
OPERATOR CHECKS
Since the Signal Generator performs self-checks, no operator checks are necessary.
However, extensive self-diagnostics are available. Refer to the Service Section (Volumes 2
through 4).
FUSE REPLACEMENT
[CAUTIONI
The casual operator should not replace the LINE fuse. Replacing
this fuse in a damaged Signal Generator might cause additional
damage. A qualified service person should first determine the
cause of the failure (specifically with resistance checks in the
power supply), repair the failure, and then replace the fuse.
3-1
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