HP 3586 / 9825 Programming Note Specifications Manual

HP 3586 / 9825 Programming Note Specifications Manual

This is a vintage programming reference manual for the HP 3586 Selective Level Meter and the HP 9825 Desktop Calculator system. The manual provides detailed programming instructions, specifications, and technical reference information for users and technicians working with these classic Hewlett-Packard test and computing instruments from the 1970s and 1980s era.

Specifications & What's Included

• Make: Hewlett-Packard (HP)
• Models Covered: HP 3586 and HP 9825
• Document Type: Programming Note / Technical Specifications
• Format: Printed manual
• Language: English
• Content: Programming instructions, specifications, and reference material
• Condition: All pages present and legible

Applications

The HP 3586 Selective Level Meter is a precision test instrument widely used in telecom, RF, and audio frequency measurement applications throughout the 1960s–1980s. The instrument measures AC voltage levels with high selectivity and sensitivity, making it essential for network analysis, signal detection, and frequency characterization in communications engineering and laboratory environments. The HP 9825 desktop calculator, introduced in 1976, was an early programmable desktop computer combining calculator functionality with data processing capabilities, making it valuable for engineers and scientists in technical computation and control applications. Programming notes like this document are critical references for users developing custom routines and exploiting the full capabilities of these systems. This manual is sought after by vintage computing enthusiasts, electronics technicians, telecommunications historians, and anyone maintaining or restoring classic HP test equipment.