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Internal Triggering In the internal trigger mode (remote interface only),
the trigger signal is always present. When you place the multimeter in
the wait-for-trigger state, the trigger is issued immediately. This is the
power-on trigger source for remote interface operation.
To select the internal trigger source, send the following command.
The CONFigure and MEASure? commands automatically set the
trigger source to IMMediate.
TRIGger:SOURce IMMediate
Software (Bus) Triggering The bus trigger mode is available only
from the remote interface. This mode is similar to the single trigger
mode from the front panel, but you trigger the multimeter by sending
a bus trigger command.
• To select the bus trigger source, send the following command.
TRIGger:SOURce BUS
• To trigger the multimeter from the remote interface (GPIB or RS-232),
send the *TRG (trigger) command. The *TRG command will not be
accepted unless the multimeter is in the wait-for-trigger state.
• You can also trigger the multimeter from the GPIB interface by
sending the
IEEE-488 Group Execute Trigger (GET) message.
The multimeter must be in the wait-for-trigger state. The following
statement shows how to send a
GET using BASIC.
TRIGGER 722
Group Execute Trigger
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Chapter 3 Features and Functions
Triggering
75