Keithley 2750 User Manual page 27

1-10 Getting Started
Middle Row
Unshifted
EXTRIG
TRIG
STORE
RECALL
FILTER
REL
Shifted
DELAY
DRYCKT
LIMITS
ON/OFF
TYPE
MONITOR
CH-OFF
CARD
Bottom Row
Unshifted
OPEN
CLOSE
STEP
SCAN
DIGITS
RATE
EXIT
ENTER
Shifted
SAVE
SETUP
CONFIG
HALT
TEST
LSYNC
GPIB
RS-232
3 Range keys:
Δ
AUTO
Selects external triggering (front panel, bus, trigger link) as the trigger source.
Triggers a measurement when in external triggering (EX TRIG).
Sets the number of readings to store and enables the buffer.
Displays stored readings and buffer statistics. Use the
igate through buffer.
Enables/disables filter for selected function.
Enables/disables relative for selected function.
and Dual function — Manually scans switching channels. When in a menu, these keys
control cursor position for making selections or change values.
Sets user delay between trigger and measurement.
Selects dry circuit ohms (Ω4 must first be selected).
Sets upper and lower limits for readings.
Enables/disables limits.
Configures and enables filter for selected function.
Selects and enable/disables monitor channel.
Disables channel for a scan (must be in scan channel setup mode).
Identifies switching modules installed in mainframe. Set up switching modules that
require configuration. View closed channels and channel settings for switching mod-
ules that require configuration.
Opens closed channel.
Closes specified channel.
Steps through channels; sends a trigger after each channel.
Scans through channels; sends a trigger after last channel.
Sets display resolution for all functions.
Sets measurement speed (fast, medium, or slow) for all functions.
Cancels selection, moves back to measurement display.
Accepts selection, moves to next choice or back to measurement display.
Saves up to three instrument setups for future recall, and selects power-on setup.
Restores a default setup (factory or *RST) or a saved setup. Enables/disables buffer
auto clear, auto scan, and auto channel configuration. Sets timestamp, date, and
time. Displays serial number of Model 2750.
Selects and configures a simple scan or an advanced scan.
Disables step/scan.
Selects the calibration menu, display test or the key-press test.
Enables/disables line cycle synchronization. When enabled, noise induced by the
power line is reduced at the expense of speed.
Enables/disables GPIB and selects address.
Enables/disables RS-232 interface; selects baud rate, flow control, and terminator.
∇
and Dual function — Selects the next higher/lower measurement range for the selected
function. When in a menu, these keys make selections or change values.
Enables/disables autorange for the selected function.
Model 2750 Multimeter/Switch System User's Manual
Δ ∇
, , , and keys to nav-