PERMA-SET TUNING CONTROL (VHF) NOTE: Your Zenith has the new Perma-set tuning control.
Each channel has been correctly set at the factory for best picture and sound.
FIG. 1—CONTROLS
However, should the settings become mis-adjusted, it is a simple matter to adjust them as follows:
1. Turn the VHF channel selector knob to the channel number desired.
2. Turn VHF perma-set tuning knob until there is no picture.
3. Then turn perma-set tuning knob back slowly for best picture and sound.