M3SR Series 4100 Changing the Modem Deacquire Limit
4.134 Operating Manual 6175.4760.02 – 01
4.5.4.1 Changing the Modem Deacquire Limit
Softkey Type Description
Listbox 1. Press 'Deacquire' softkey.
2. Select desired modem deacquire limit 
from listbox.
3. Press 'ENT' to confirm. The new modem 
deacquire limit is now effective.
Possible values:
•slow
• medium
•fast
This setting determines the time that the re-
ceiving HF modem will continue to attempt to 
decode data after a loss of the signal, caused 
by termination of the transmission or due to 
significant fading.
Deacquire limit  approximate duration [s]
•Fast  1
• Medium  5
•Slow  20