Specifications

8-13
User Patterns and Disk Operation
How to Set Up and Edit Your Own User Pattern
To Select Alternate Pattern Control
Procedure
This procedure assumes that one of the RAM or disk user patterns is an alternate pattern.
If there is not an alternate pattern, refer first to the procedure on how to generate an
alternate pattern.
1. Select the following softkeys in the order given:
, - select an alternate user pattern from the
or list.
2. Set the softkey to for front panel control, or for
control via the front panel AUX INPUT.
3. Set the softkey to the mode you require. An explanation of the
function of this key is given in Chapter 7.
To Generate an Alternate Pattern
The following procedure explains how to generate an alternate pattern with an 2^10 PRBS
loaded into pattern A (half A) and pattern B (half B). The maximum length of each is
4 Mbits.
Procedure
1. Select the key.
2. Select the or key.
3. Select an or store.
4. Set the softkey to , then select .
NOTE When you switch the key from OFF to ON or ON to OFF the pattern
that is currently in the user pattern memory is erased and a 0 is loaded
into memory.
pattern
ram Usr pattern
INTERNL PATT DISK PATT
ALT PAT AUX USR USR AUX
ALT PAT ALT ONCE
pattern
edit ram usr edit diskUsr
INTERNL PATT DISK PATT
ALTPATT ON OFF ON YES