Agilent Technologies N9342C, Руководство пользователя

Страница: 105 / 179

Key Reference 5
N9342C/43C/44C User’s Guide 97
If average is on
([TRACE] > {More} > {Average On}
),
pressing
[Sweep] > {Single Sweep}
will halt averaging
of the current value, and then continue averaging
from the current count number when a single
sweep function triggers.
Trigger
Key access:
[Sweep] > {Trigger}
Accesses the menu of keys that allow you to select
the trigger mode of the analyzer. This softkey is
only available in zero span.
Free Run
Key access:
[Sweep] > {Trigger} > {Free Run}
New sweep starts as soon as possible after the
current sweep ends. This is the default state of
trigger mode.
Video
Key access:
[Sweep] > {Trigger} > {Video}
Activates the trigger condition that starts the next
sweep if the detected RF envelope voltage rises to
a level set by the video trigger level.
Ext Rise
Key access:
[Sweep] > {Trigger} > {External}
Activates the trigger condition that will start a
sweep when the external voltage (connected to
EXT
TRG IN
on the rear panel) passes through
approximately 2 volts. The external trigger signal
must be a 0 V to +5 V TTL signal.
Gated Sweep
Gated Sweep
Key access:
[Sweep] > {Gated Sweep} > {Gated Sweep
On/Off}