23FT-817 Operating ManualRECEIVER ACCESSORIESIF SHIFTThe receiver’s IF SHIFT feature is an effective interference-reduction tool, which allowsyou to shift the passband response higher or lower without changing the pitch of the incom-ing signal.1. Press the switch for one second to acti-vate the IF SHIFT feature. A “ ”, “ ,” or“ ” icon will appear at the right of the fre-quency display to indicate the IF SHIFT’scurrent position.2. Rotate the knob, as needed, to reduceor eliminate the interference.3. To turn the IF SHIFT feature off, again press the switch forone second. The last setting of the IF SHIFT control will beretained until you change it again.4. If you wish to make a more permanent shift in the receiver’s IFpassband, use Menu #54 (LSB) or #55 (USB) in the “ExtendedMenu.” This allows you to set up a higher or lower listeningpitch, if you prefer such as compared to the default passbandresponse. See page 68.Engaging of the IF Shift feature does not disable the set-ting of the Clarifier control. With the IF Shift activated,press the switch momentarily to switch to Clarifier operation.