to "UHF" Position. Turn UHF Channel Tuning Control for desired UHF Channel. Then carefully turn UHF Fine Tuning knob for best picture and sound.

Disregard channel numbers 12 and 13 if they appear in the UHF indicator dial of your unit. These are VHF channels to be tuned in with the VHF selector.

Set this control for best picture crispness in your location. The strength of the signal being received and your personal preference for picture detail will determine the optimum setting.

Your new Zenith television receiver is engineered for dependable long life service but like any mechanical or electrical instrument, it will occasionally require maintenance. For service consult your Zenith dealer or refer to the organization that installed your instrument. (See warranty.)

Rotate clockwise to increase the brightness; counterclockwise reduces the brightness. It is to be used in conjunction with the contrast control since its movement will also have an effect on picture contrast.
NOTE: The brightness control setting for the picture shown in Figure 2 is set too high. Set the control below this level.		FIG. 2

Adjust the picture for best distinction between the black and white shading. Your own vision is the best judge in setting this control properly.
NOTE: The contrast control setting for the picture shown in Figure 3 is set too high. Set the control below this level.		FIG. 3

If the picture appears to have a tendency to move across the screen, or if it assumes a broken streaked appearance, as indicated in Figure 4, it should be readjusted to a point where the pictures remain locked in properly on all channels.
		FIG. 4

This control is used in correcting for vertical movement, or rolling up or down. Set control to lock picture. (Fig. 5)
		FIG. 5