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1951 Zenith Porthole Television Set Owners Manual (continued)
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HOLD VERTICAL HOLD

Figure 3

PERMA-JUST CONTROLS

The Perma-Just Controls on your new Zenith are located under the attractive hinged panel on the front of the receiver. They are not intended for every day use in operating the receiver and will require very little attention after they once have been adjusted by the Zenith television technician upon installation. After having completed the adjustment of each control, he will remove the knob and will reposition it so that the position marker dot on the outer rim will appear in the top center position (as in Fig. 3). If they are ever accidentally moved (the cover panel has been designed to minimize this danger), it is a simple matter to re-set them using the marker dots as a reference. However, in some cases additional information may be necessary to arrive at correct settings and it is for this purpose that each control is fully explained on the following pages.



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