2 General Power Meter Functions
66 N1911A/1912A P-Series Power Meters User’s Guide
Setting the Trigger
The trigger can be taken from a rising or falling measured power level or
controlled externally using the Ext Trig input. Additional control features
such as; hold- off, hysteresis, and delay are provided to help you achieve a
stable and reliable trigger. To use the measurement gates, the power meter
must be triggered.
• Press . The Trigger menu is displayed.
The trigger status is displayed below the label in the Trigger menu.
Figure 2- 51 shows the power meter display in Free Run mode. In this mode
the meter is not synchronized to any modulated RF signal at the sensor
input. Consequently, power levels within the configured time gates are
random and the displayed measurement results are not valid.
Figure 2-51 Trigger menu - free run mode
This feature is only available when a P-Series power sensor is connected.
The symbol in the upper window indicates the power meter is in free run mode.
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