Pressing the [NAR] once more returns the bandwidth control to the WIDTH/SHIFT system. The factory bandwidths are: ADVICE: When the narrow bandwidth is selected, the "NAR" will appear in the display. If the "NAR" button has been pressed to engage the narrow filter, you may still adjust the narrow IF bandwidth by rotating the [WIDTH] knob. The IF SHIFT is also operational. For many applications, you may find that simply pressing the "NAR" button instead of adjustment of the "WIDTH" knob, may be satisfactory for interference reduction. When you press the "NAR" button in the FM mode, both transmit and receive bandwidths are narrowed.

End of "Narrow (NAR) One-Touch IF Filter Selection"