Excalibur ISX 5312, Руководство по эксплуатации

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Defining Operating Parameters
4-9
5. Press the button beneath
Inc
to select the first fallback clock. The screen
displays the current source of timing for the first fallback clock.
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6. To change the source of timing for the first fallback clock, press the > button.
Press the button beneath
Inc
or
Dec
to scroll through the clock source options.
Press the button beneath Acc when the desired option is displayed.
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7. Repeat Steps 4 - 6 to set additional fallback clocks. Since, depending on the
application, a maximum of four fallback clocks are practical, select the
appropriate hierarchy and then fill in the remaining fallback clock selections
with the lowest priority desired or fill in the remaining selections with internal
timing.
8. Press the Escape button two times to return to the Configure DSU submenu.
System Clock
The System Clock parameter allows you to set the real-time clock. To do so, follow
these steps, starting from the Configure DSU submenu:
1. Press the button beneath
SyClk
.
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