Spirit CT900ENT Owner's Manual page 19

TV SETUP
1. Begin by selecting either TV or HDMI as the tuner source.
2. Press OSD Menu. The first highlighted item on the menu is
Air/Cable and then Cable or Air afterward. Press the
OSD Enter to change the selection between Cable and Air
Signal source, usually Cable).
3. After selecting Cable or Air use the arrows located below
the OSD Exit button to navigate down to Auto Scan
then press OSD Enter. The tuner will now scan for all
available channels. Press OSD Exit when done. You can
modify the channels by pressing the Update Channel List.
4. The OSD Command button is for engineering use only.
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