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Example:
The GPS receiver with an precision of 10ns is the current master. If this master is no longer available it will
switch to the next reference source of the priority order – in this case the PPS input with a precision of 100us.
With the formula ((100ns/10ns)*11.4) we get hold over time of 114 seconds/1.9 min. The online display of the
MRS status will show the remaining time and the calculated time. The hold over time will be recalculated if
the status of the reference clocks will change.
> MRS Status <
Priorities
Fix Offsets
Precisions
0.GPS (30s/1m54)
1.NTP +6.000us
2.PPS n/a
3.PTP n/a
OK
4.1.3.3 Menu Option MRS - Setup Time Code Receiver
With this menu, the parameters for the time code input signals can be displayed and adjusted.
MRS
Set MRS & Info
IRIG Receiver
>
<
IRIG
Receiver
>Show IRIG Info<
Setup IRIG
OK
Time Code Rec.
B122/B123
Offs.UTC: +00:00
State: --------
OK
IRIG
Receiver
Show IRIG Info
Setup IRIG
>
<
OK
Set IRIG Params
B122/B123
Offset from UTC:
(+HH:MM) +00:00
32
Date: 20th March 2020
IMS-GNS181 Setup Guide
Содержание IMS-GNS181
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