HP 8712ET User Manual Supplement page 40

Operator Interaction
User-Defined BEGIN Key Menu
2. Make sure the analyzer is configured to use the USER TTL IN/OUT
connector for softkey sequencing: press
System Config
Config
3. Press the switch several times while observing the analyzer.
4. Notice that with each press of the switch, the softkey labels are
highlighted (boxed) in succession, and that after the last available
key has been used, the sequence starts again at the top of the softkey
menu.
3-12
User TTL Config Softkey Auto-Step
SYSTEM OPTIONS
.
Automating Measurements