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External Signals Control Window
Access this control window from the Utilities menu External Signals command.
Overview
Use the External Signals control window to select the trigger signal to send to the AUX OUT
BNC connector or to toggle the instrument clock reference source.
To Use
To send a signal to the AUX OUT BNC connector when the instrument triggers, click either A
Trig or B Trig. To change the source of the clock reference, click the External Reference In
button.
Behavior
For AUX OUT, the selected trigger signal is routed to the AUX OUT BNC connector so that you
can trigger another instrument such as a logic analyzer. The output voltage is TTL-compatible,
negative polarity.
For External References, the clock reference is routed to the EXT REF BNC connector when you
select External. You must perform a signal path compensation whenever you change the reference.
Touch Screen (Option)
Access the Touch Screen calibration feature from the Utilities menu.
Overview
Use the Touch Screen submenu to calibrate the touch screen.
To Use
Select Calibrate, and then follow the on-screen instructions to calibrate the touch screen.
Behavior
The Calibrate command starts the Touch Screen calibration program.
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