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M3SR Series 4100
3.7.2.30
Changing the Frequency Shift for F1D
Softkey
Operating Manual 6175.4760.02 – 01
Softkey Type
Listbox
Changing the Frequency Shift for F1D
Description
1. Press 'Shift' softkey.
2. Select desired frequency from listbox,
42 Hz – 85 Hz – 225 Hz or 425 Hz
3. Press 'ENT' to confirm.
The frequency shift determines the frequency
deviation between the mark (to transfer a '1')
and space (to transfer a '0') frequency for any
F1D transmission or reception.
The IF filter bandwidths are selected automat-
ically.
For higher baud rates please use higher fre-
quency shifts as well.
For ALE operation (option) within link
mode analog voice / FF and selected mod-
ulation mode F1D the frequency shift is
85 Hz.
3.167
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