User`s manual

108 Chapter 5

O:\Manuals\E6380A_Progguid\Book\Trigmeas.fm

Triggering Measurements

Default Trigger Mode

The Trigger mode is set to FULL SETTling and REPetitive

RETRiggering whenever

• the Test Set is powered on

• the PRESET key is selected

• the Test Set is put into LOCAL mode

• the Test Set is reset using the *RST command

• the Test Set is put in remote mode and no other trigger mode is set

Local/Remote Triggering Changes

Local To Remote Transitions

The Test Set switches from Local to Remote mode upon receipt of the

Remote message (REN bus line true and Test Set is addressed to

listen). No instrument settings are changed by the transition from

Local to Remote mode, but triggering is set to the state it was last set to

in Remote mode (if no previous setting, the default is FULL SETTling

and REPetitive RETRiggering).

When the Test Set makes a transition from local to remote mode, all

currently active measurements are flagged as invalid causing any

currently available measurement results to become unavailable. If the

HP-IB trigger mode is :RETR REP then a new measurement cycle is

started and measurement results will be available for all active

measurements when valid results have been obtained. If the HP-IB

trigger mode is :RETR SING then a measurement cycle must be started

by issuing a trigger event. Refer to “Triggering Measurements” on page

105 for more information.

Remote To Local Transitions

The Test Set switches from Remote to Local mode upon receipt of the

Local message (Go To Local bus message is sent and Test Set is

addressed to listen) or receipt of the Clear Lockout/Set Local message

(REN bus line false). No instrument settings are changed by the

transition from Remote to Local mode, but triggering is reset to FULL

SETTling and REPetitive RETRiggering.