To Clear The F1 Key:
1.On the remote control, press CBL once; it will blink once. Then press and hold SETUP until
the CBL key blinks twice, then release SETUP.
2.
Enter 9 - 9 - 5. The CBL key will blink twice. Then select the F1 key and press
it once.
3. 
Press and hold SETUP until the CBL key blinks twice, then release SETUP.
4.The F1 key is now clear and ready for reprogramming (see To Program The F1 Key on the previous page).
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