Keithley 2651A, User Manual, Page: 13 / 76

Model 2651A High Power System SourceMeter® Instrument User's Manual Section 2: Using the front-panel interface
Figure 2: Setup and control keys
CURSOR
SRC MEAS LIMIT MODE
AUTO
1 2 3
4
DISPLAY
CONFIG
5 6
7 8 9
0
+/-
0000
SPEED DIGITS FILTER REL
RECALL STORE MENU TRIG ENTER
LOCAL
EXIT RUN LOAD
Key descriptions
Key Description
DISPLAY
Toggles between the various source-measure displays and the user message mode.
CONFIG
Configures a function or operation.
SRC
Selects the source function (V or A) and places the cursor in the source field for
editing.
MEAS
Cycles through measure functions (V, A, Ω, or W).
LIMIT
Places the cursor in the compliance limit field for editing. Also selects the limit value
to edit (V, A, or W).
MODE
Directly controls the mode.
DIGITS
Cycles through display resolution (4-1/2, 5-1/2, or 6-1/2 digits).
SPEED
Selects either the fast or integrating A/D converter. When the integrating A/D
converter is selected, this key also sets the measurement speed and accuracy by
controlling the measurement aperture.
REL
Controls relative measurements. This allows a baseline value to be subtracted from
a reading.
FILTER
Enables or disables the digital filter. You can use this filter to reduce reading noise.
LOAD
Loads test for execution.
RUN
Runs the last selected factory or user-defined test code.
STORE
Accesses reading buffers and takes readings.
RECALL
Recalls data (or statistics) from CHANA-BUFF1 or CHANA-BUFF2.
TRIG
Triggers readings.
MENU
Accesses the main menu. The main menu can be used to configure many facets of
operation.
EXIT
(LOCAL)
Cancels selection and backs out of the menu structure. Also used as a
LOCAL
key
to take the unit out of remote operation.
ENTER
Accepts the current selection or brings up the next menu option. In most cases,
pressing the
ENTER
key is the same as pressing the navigation wheel .
Number
keys
When enabled, the number keys (0-9, +/-, 0000) allow direct numeric entry in the
EDIT mode. Press the navigation wheel
to enter EDIT mode (see To change a
value using the numeric keypad (on page 2-4)).
2651A-900-01 Rev. A / March 2011 2-3