Flat Panel Television User Manual
SCEPTRE X23 HDTV User Manual 
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www.SCEPTRE.com 
EXTERNAL INPUT – This function allows users to change the current source to 
another. 
1.  Press MENU to open the OSD and highlight CHANNEL. 
2. Press 
↵ or ► to move to the functions and highlight TUNER MODE. 
3.  Once in TUNER MODE, press ▼ repeatedly to select EXTERNAL 
INPUT. 
4. Press 
↵ to select the function and use ◄ or ► to change the source of 
your choice and press 
↵ to finalize your selection. 










