Need Programming Manual for Pattern Generator and Error Detector

I am looking for the programming manuals for the 12592 Programmable Pattern Generator and 13020 Error Detector.

Please see the user manual at the link below.

https://www.tek.com/en/bit-error-rate-tester/patternpro-ppg-series-pattern-generator-manual/ppg1600-ppg3000-ppg3200-0

Provides information for using the PPG1600, PPG3000, and PPG3200 series programmable pattern generators. Includes remote control commands.