58 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Starting (Triggering) Measurement and Waiting for Completion of Measurement
Starting (Triggering) Measurement
5-
System-wide states and transitions
Idle state
When the following commands are executed, the trigger system transitions to
the idle state (e in Figure 5-1). The idle state is also in effect immediately after
power-on. Because the continuous activation of the trigger system and the
trigger mode are set to ON and internal trigger, respectively, at power-on, the
trigger system immediately transitions to the waiting for trigger state and then
repeats the transition between the measurement state and the waiting for
trigger state.
• *RST on page 160
• :ABORt on page 164
• *CLS on page 157
• :INITiate:CONTinuous on page 227 (when executed with OFF specified)
When the trigger system is started up using the following commands, it
transitions to the waiting for trigger state (a in Figure 5-1).
• :INITiate[:IMMediate] on page 228
• :INITiate:CONTinuous on page 227 (when executed with ON specified)
Waiting for trigger state (trigger event detect state)
The waiting for trigger state, when the instrument is triggered (a trigger is
detected) or the :TRIGger[:SEQ1][:IMMediate] command on page 304 is
executed, transit to the measurement state.
As shown in the table below, the instrument triggering method differs
depending on which trigger mode is set. To set up the trigger mode, use the
:TRIGger[:SEQ1]:SOURce command on page 305.
Trigger mode Instrument triggering method
Internal trigger (Int) The instrument is automatically triggered within itself.
External trigger (Ext)
The instrument is triggered when a trigger signal is input
through the Ext Trig terminal or the handler/scanner interface.
BUS trigger (Bus) The instrument is triggered when the *TRG command on
page 163 is executed.
Manual trigger (Man)
The instrument is triggered when the [Trigger] key on the front
panel is pressed.
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