Sync method – Teledyne LeCroy Merlin - Users Manual User Manual

Page 83

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75

Merlin Protocol Analyzer User’s Manual

CATC

SW Version 2.0

and cannot be modified by the user.

Enter values into the two text boxes to the set the transmit and
receive frequency ranges:

• DUT Xmit Freq, MHz (+2402) – Allows the setting of the

transmit signal for the Device Under Test

• DUT Recv Freq, MHz (+2402) – Allows the setting of the

receive signal for the Device Under Test

Sync Method

To record Bluetooth traffic, Merlin needs to synchronize to the piconet
under observation. Merlin does not participate in the piconet and behaves as
a passive listener. It needs, however, to communicate briefly with the
devices in the piconet to learn the Master clock and frequency hopping
sequence.

Sync Method options let you configure how Merlin synchronizes to the
piconet under observation. There are three options:

• Sync and Record

• Passive Sync & Record

• Page Sync & Record

Note

If the selected Hop Sequence is "Reduced Hop" or "Single Frequency," the Sync
Method is set to "Test Mode" and cannot be modified by the user.

To the right of the Sync Method menu are two menus which let you select
or enter address for the devices in the piconet:

Master Address - Presents a drop-down list of Master devices found
previously. You can also enter address values in this box.

Page Target -- Presents a drop-down list of Page Target devices found
previously. You can also enter address values in this box.

Between the two text boxes is the following button:

- Swaps the Master and Page Target addresses.

When to Use the Different Piconet Recording Modes

Page Sync & Record is the preferred option and should be used whenever
possible. If Page Sync & Record can not be used, then Sync & Record
should be used. Passive Sync and Record should be used only if the first
two options can not be used.

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