Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 459)

Appendix E - Automatic Switching E-3
MN/22156, rev 12 General
should be used as a starting point. These defaults are stored in each
modulator/demodulator unit and are restored by entering R at the
command prompt.
Once restored, the lock time for each data rate can be modified by entering
the corresponding number.