NF ZA57630, Инструкция по эксплуатации

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3.5 Setting Screen Reference
3
-
50
ZA 57630
・
ENABLE
: Use an external reference clock if an external reference clock is available.
Even if
ENABLE
is set, the internal reference clock of this instrument will be used if an
external reference clock is not detected or if the frequency differs from the specified frequency.
The reference clock with which this instrument is currently operating is indicated by the
status display in the upper part of the LCD screen.
■ [10MHz REF OUT]
: Set the reference clock output.
This is set when the reference clock with which this instrument is operating is output from
the
10MHz REF OUT
connector on the rear panel. This is used to make the frequency
accuracy common among this instrument and other devices.
○ Setting procedure
<List operations (immediate settings)>
・
DISABLE
: Do not output the reference clock.
・
ENABLE
: Output the reference clock.
When this instrument is operating with an external reference clock, the same frequency as
that reference clock is output.
(Nothing is displayed): Operating with the internal
reference clock.
REF: Operating with the external reference clock.
REF (flashing): Operating with the internal
reference clock. (An external reference clock has
not been detected.)