Read The Warranty; Service Options; How To Call Hewlett-Packard - HP 8590 E-Series User Manual

d. Set the display position using (CAL), More 1 of 4 , CRT VERT POSITION and m,
More
1 of 4, CRT HORZ POSITION.
Note
Some user configurations may need to be reset.
DEFAULT CAL DATA can only be accessed by entering a center frequency of -37 Hz. The
center frequency -37 Hz acts as a pass code for DEFAULT CAL DATA .
Dispose User Mem, ERASE DLP MEM . (ERASE DLP MEM requires a double key press.)
ERASE DLP MEM erases all user programs, variables, personalities (DLPs), and user-defined
traces in spectrum analyzer memory.
20. If the necessary test equipment is available, perform the performance verification tests
given in the Calibration Guide for your spectrum analyzer. Record all results on an
Performance Verification Test Record form which follows the tests.

Read the Warranty

The warranty for your spectrum analyzer is at the front of this manual. Please read it and
become familiar with its terms.
If your spectrum analyzer is covered by a separate maintenance agreement, please be familiar
with its terms.

Service Options

Hewlett-Packard offers several optional maintenance plans to service your spectrum analyzer
after the warranty has expired. Call your Hewlett-Packard Sales and Service office for full
details.
If you want to service the spectrum analyzer yourself after the warranty expires, you
can purchase the service documentation that provides all necessary test and maintenance
information.
You can order the service documentation, Option 915, through your Hewlett-Packard Sales
and Service office. Service documentation is described under "Service Documentation for the
HP 8590 Series (Option 915)" in Chapter 10 in this manual.

How to Call Hewlett-Packard

Hewlett-Packard has Sales and Service offices around the world to provide you with complete
support for your spectrum analyzer. To obtain servicing information or to order replacement
parts, contact the nearest Hewlett-Packard Sales and Service Office listed in Table 9-l. In
correspondence or telephone conversations, refer to the instrument by its model number and
full serial number.
9-4 If You Have A Problem
any