GENERAL INFORMATION

1-11. SAFETY CONSIDERATIONS

1-12. Before operating this instrument, you should familiarize yourself with the safety markings on the instrument and safety instructions in this manual. This instrument has been manufactured and tested according to international safety standards. How- ever, to ensure safe operation of the instrument and personal safety of the user and service personnel, the cautions and warnings in this manual must be fol- lowed. Refer t o the summary of safety considerations at the beginning of this section. Refer also to individual sections of this manual for detailed safety notation concerning the use of the instrument as described in those individual sections.

1-13. INSTRUMENTS COVERED BY MANUAL1-14.Serial Numbers

1-15. Attached t o the rear of this instrument is a mylar serial number label. The serial number is in two parts. The first four digits and letter are the serial number prefix; the last five digits are the suf- fix. (Refer to Figure 1-2.) The prefix is the same for all identical instruments; it changes only when a change is made to the instrument. The suffix, how- ever, is assigned sequentially and is different for each instrument. The contents of this manual apply to

SERIAL NUMBER

FIGURE 1-2. TYPICALSERIALNUMBER LABEL

instruments with the serial number prefix(es) listed under SERIAL NUMBERS on the title page.

1-16. Manual Updating Supplement

1-17. An instrument manufactured after the printing of this manual might have a serial number prefix that is not listed on the title page. This unlisted serial number prefix indicates the instrument is different from those described in this manual. The manual for this newer instrument is accompanied by a yellow

MODEL 8559A

Manual Updating supplement. This supplement contains change information that explains how t o adapt the manual to the newer instrument.

1-18. In addition to change information, the supplement may contain information for correcting errors in the manual. To keep this manual as current and accurate as possible, Hewlett-Packard recommends that you periodically request the latest Manual Updating supplement. The supplement carries a manual identification block that includes the model number, print date of the manual, and manual part number. Complimentary copies of the supplement are available from Hewlett-Packard. Addresses of Hewlett-Packard offices are located at the back of this manual.

1-19.Manual Backdating Changes

1-20. Instruments manufactured before the printing of this manual have been assigned serial number prefixes other than those for which this manual was written directly. Manual backdating information is provided in Section VII to adapt this manual to earlier serial number prefixes.

1-21. This information should not be confused with information contained in the yellow Manual Updating supplement, which is intended to adapt this manual to instruments manufactured after the printing of this manual.

1-22. ACCESSORIES SUPPLIED

1-23. A type-N male to BNC female adapter, H P Part Number 1250-0780, is supplied with the standard instrument for the use of lightweight cables with BNC connectors.

1-24. Side stop kit, H P Part Number 08558-60131, is supplied to prevent the spectrum analyzer from sliding out of the mainframe. When the side stops are installed, the plug-in cannot be removed from the mainframe. Refer to Section II for installation or removal of the side stops.

1-25. Three graticule overlays provide the operator with reference-level labels for the CRT. H P Part Number 5020-8565 is the overlay for H P 180-series display mainframes. H P Part Number 5020-8566 is the overlay for H P 181-series display mainframes. H P Part Number 5020-8567 is the overlay for H P 182-series display mainframes. For proper installation of the graticule overlay, refer to Section II.