Section 3: Instrument description
Series 2600B System SourceMeter® instrument User's Manual
3-2
2600BS-900-01 Rev. A / August 2021
Figure 2: Front panel of two-channel SMU (2602B, 2604B, 2612B, 2614B, 2634B, and 2636B)
1. Power switch, display and configuration keys
Toggles between the source-measure displays and the user message mode.
Configures a function or operation.
Power switch. The in position turns the 2600B on (I); the out position turns it off (O).
2. SMU setup, performance control, special operation, and numbers
SMU (source-measure unit) setup
SRC
Selects the source function (voltage or current) and places the cursor in the source field
for editing.
MEAS
Cycles through measure functions (voltage, current, resistance, or power).
LIMIT
Places the cursor in the compliance limit field for editing. Also selects the limit value to
edit (voltage, current, or power).
MODE
Selects a meter mode (I-METER, V-METER, OHM-METER, or WATT-METER).
Performance control
DIGITS
Sets the display resolution (4½, 5½, or 6½ digits).
SPEED
Sets the measurement speed (FAST, MEDium, NORMAL, HI-ACCURACY, or OTHER).
Speed and accuracy are set by controlling the measurement aperture.
REL
Controls relative measurements, which 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.
