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SYMPTOMS SOLUTIONS
A 4:3 Aspect ratio cannot be selected.
A 16:9 Aspect ratio cannot be selected.
The remote control is not respinding.
The timer does not work.
You forget your password.
-Aspect ratio depends on both the incoming program format and the dis-
play format switch on the back panel. Once the switch for the display for-
mat is set to a standard definition (480I/480P) and the incoming program
is set at a 4:3 video, it is not be available for selection and a warning mes-
sage will appear on the screen.
-Similar to the above case, once the switch for a display format is set to a high
definition (720P/1080I) and an incoming program is set at a 16:9 video, it will
not be available for selection and a warning message will appear on the screen.
- Make sure the batteries are fresh and installed properly.
-Point the remote control unit at the remote control sensor.
-Check if a mode on the remote control is selected properly.
- Make sure the clock is set properly.
-If you are a DIRECTV customer, make a call at DIRECTV Service Center and ask
them to clear your password.
-Otherwise, if the Zenith HD Receiver is in the ANT/CABLE mode, enter mas-
ter key number “7777” when it asks you to enter the password.