User's Manual
IFB Receiver
Rio Rancho, NM
9
Defeating the Switch
The switch function on the knob can be defeated if so 
desired to eliminate the scanning function. This is done 
by simply removing a washer from underneath the knob.
1)  Use the allen wrench to loosen the set screws on 
the knob.
2)  Remove the knob and the small washer P/N 28443.
3)  Put the knob back on the shaft without the washer 
and slide it down flush with the housing.
4)  Hold the knob against the housing and tighten the 
set screws.
5)  Press the knob to see if it actuates the switch. You 
not be able to feel a detent in the switch movement.
6)  Turn the receiver on a verify that pressing the knob 
does not start the scanning process.
26011-1 knob guard
28767 belleville washer
35854 allen (hex) wrench
26297-1 blue knob
28443 split lock washer
28764 set screws
Knob Assembly 
Part Numbers
In case you lose the tiny little washer...
Once the small washer has been removed, you can 
re-enable the switch by simply loosening the set screws 
and raising the knob up the shaft slightly, and then tight-
ening the set screws. 
NOTE: Frequencies can still be stored manually 
using the Diredt Entry mode even when the switch 
is defeated.










