Some important Model 486/487 features include:
used for current readings and front panel messages,
and a smaller 8 character alphanumeric display for
front panel messages and the voltage source setting of
the Model 487.
zero correct - used to cancel internal offsets.
Relative @EL) -Used to establish baselines.
over the bus 01 from the front panel.
User Programmed Default Conditions - Establish
present operating setup conditions as power-up default
Talk-Only - From the front panel, set instrument to
send readings over the bus to a listen-only device,
such as a printer.
V/I ohms resistance measurements up to 5OPQ
(Model 487 only).
Preset (Model 487) toggles between preset V-source