Specifications

8-5

User Patterns and Disk Operation

Define, Edit and Store User Defined Patterns

The information shown for patterns 5 to 12 directly reflects the state of the currently

accessible disk. The user makes a choice by pressing the appropriate softkey.

If the user changes the disk inserted in the drive, the display contents are regenerated to

reflect the contents of the new disk.

If the disk is not accessible, the lines for pattern stores 5 to 12 are replaced with a single

text message no disk present,andtheDISKPATTmenukeysaregreyed out. If

the instrument is unable to access a pattern store, an error message indicating the problem

is displayed beside that store’s entry.

User Pattern Memory

This is the 8 Mbit memory from which the instrument transmits any user pattern. The

contents of a pattern store can be copied into the user pattern memory and edited, or the

contents of the user pattern memory saved to a pattern store. The editor always edits the

contents of this memory.

When no disk is accessible, the user pattern memory is the only memory capable of

holding a pattern longer than 8 kbits. If the instrument is powered down its contents are

replaced with the contents of the pattern store last selected.

Exiting the Editor By Mistake

If you have just exited the editor by mistake, by perhaps pressing one of the hardkeys on

the keyboard and wish to ensure that the pattern you were editing is not lost use the

following short procedure.

If your Agilent 70004A display does not have an instrument hardkey panel, then in the

following procedure select first then the keys given. The pattern key will be a

softkey and not a hardkey as listed.

Procedure

Select , , then . Now

select the pattern store softkey in which you wish to save the edited pattern

(or).

pattern

edit ram usr CURRENT PATT save pattern

INTERNL PATT DISK PATT