System SourceMeter® Instrument Reference Manual Section 2:
2600BS-901-01 Rev. C / August 2016 2-3
1. Power switch, display and configuration keys
Power switch. The in position turns the Series 2600B on (I); the out position turns it off (O).
Toggles between the various source-measure displays and the user message mode.
Configures a function or operation.
2. SMU setup, performance control, special operation, and numbers
SMU (source-measure unit) setup
Selects the source function (V or A) and places the cursor in the source field for editing.
Cycles through measure functions (V, A, Ω, or W).
Places the cursor in the compliance limit field for editing. Also selects the limit value to edit (V, A,
or W).
Selects a meter mode (I-METER, V-METER, OHM-METER, or WATT-METER).
Performance control
Sets the display resolution (4½, 5½, or 6½ digits).
Sets the measurement speed (FAST, MEDium, NORMAL, HI-ACCURACY, or OTHER). Speed
and accuracy are set by controlling the measurement aperture.
Controls relative measurements, which allows a baseline value to be subtracted from a reading.
Enables or disables the digital filter. You can use this filter to reduce reading noise.
Special operation
Loads test for execution (FACTORY, USER, or SCRIPTS).
Runs the last selected factory or user-defined test.
Accesses reading buffers and takes readings. TAKE_READINGS: Use to take readings and store
them in a reading buffer. SAVE: Use to save a reading buffer to nonvolatile memory or to a user-
installed flash drive (USB1) in CSV or XML format. Readings include measurements, source
values, and timestamp values, if configured.
Recalls information (DATA or STATISTICS) stored in a reading buffer: DATA includes stored
readings, and if configured, source values and timestamp values; STATISTICS includes MEAN,
STD DEV, SAMPLE SIZE, MINIMUM, MAXIMUM, PK-PK.
Accesses the main menu (on page 2-17). The main menu can be used to configure many
functions and features.
Cancels the selection and returns to the previous menu or display. Also used as a LOCAL key to
take the instrument out of remote operation.
Accepts the selection and moves to the next choice or exits the menu.