[1000mp] Inrad filter questions

[Joe Subich, K4IK]

> Second, I am considering ordering a 400 Hz Inrad filter for the sub 
> receiver. I happened to read the sub receiver section of the manual 
> (strictly an accident and not consistent with my normal behavior) 
> and it says the sub receiver narrow filter is switched automatically 
> by mode, as in AM, SSB & CW. Does this mean that it doesn't work when 
> using RTTY(FSK)?

The narrow filter works just fine in RTTY (FSK) with the sub receiver. 
Just remember to (1) enable it in the menu (5-8: Sub-FiL) and select 
it (SUB, NAR1) for each mode (CW, RTTY) on each band.  

73, 

   ... Joe, K4IK