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M3SR Series 4100
4.8.3.9
Initiating Time Acquisition
R&S EK4100 Systems can not be synchronized with the net by means of a TAQ call,
because the request can not be transmitted. Instead, it is required to adjust the SEC-
OM-H time of the receiver according to table 'Dependency of Tolerable Deviation on
Selected Search Pattern (see sect. 4.8.3.6 Selecting the Search Pattern Time)'. A suit-
able search pattern (usually SP192) has to be selected at the receiver and one
NETSYNC or time reference unit. When performing a link setup from that unit to the
receiver, it will be synchronized automatically. The search pattern can be set to a
smaller value after the synchronization was successful.
By means of softkey 'Time ACQ' (time acquisition) the operator can start net time synchro-
nization.
Softkey
4.174
Type
Activate
Example of net time synchronization
Press softkey 'Time ACQ Call' to initiate time
acquisition.
During acquisition the central area shows:
If acquisition succeeded, the following mes-
sage is displayed:
If acquisition failed, the following message is
displayed:
Initiating Time Acquisition
Description
1. Press softkey 'Time ACQ Call' to initiate
the time acquisition.
Normally the net time will be adjusted auto-
matically as soon as a communication is tak-
ing place. Therefore manual net time
adjustment as described above will only have
to be performed in the case that communica-
tion was interrupted for quite a time.
When pressing PTT while the TRU (time
reference unit) is answering, the entire ac-
quisition process is aborted.
Operating Manual 6175.4760.02 – 01
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