External Triggering - Keithley 2701 User Manual

Model 2701 User's Manual
Beeper control
The beeper for Hold can be enabled or disabled from the OUTPUT menu as follows:
1.
2.
3.
4.

External triggering

The EX TRIG key selects triggering from three external sources: trigger link, digital I/O,
and the TRIG key. When EX TRIG is pressed, the TRIG annunciator lights and dashes are
displayed to indicate the instrument is waiting for an external trigger. From the front
panel, press the TRIG key to trigger a single reading. Pressing the EX TRIG key again
toggles back to continuous triggers.
The Model 2701 uses two lines of the TRIG LINK rear panel connector as External
Trigger (EXT TRIG) input and Voltmeter Complete (VMC) output. The EXT TRIG line
allows the Model 2701 to be triggered by other instruments. The VMC line allows the
Model 2701 to trigger other instruments.
Line 1 is configured as VMC and line 2 as EXT TRIG. The connector pinout is shown in
Figure 8-3.
Press SHIFT and then OUTPUT.
Use the or key to display the present beeper (BEEP) state: NEVER, OUT-
SIDE, or INSIDE.
Perform step a or b:
a. To enable the beeper, use the or
b. To disable the beeper, use the or
Press ENTER. The instrument returns to the normal display state. The instrument
returns to the normal measurement state.
key to display OUTSIDE or INSIDE.
key to display NEVER.
Triggering 8-7