According to the list at
www.hifi-remote.com, the MUTE button for TV 0000 (Sony) is 339.
You should be able to program it as follows:
1. Tap the DEVICE key (TV). (Optional, sets the default device)
2. HOLD DOWN the MAGIC button until the screen reads 'TIMED SEQ'.
3. TAP the DOWN ARROW button twice, the screen will read 'CONFIGURE'.
4. TAP the SELECT button, the screen will read 'THEATR SEL'.
5. TAP the DOWN ARROW button five times, the screen will read 'KEY MOVER'.
6. TAP the SELECT button, the screen will read 'FROM'.
7. TAP the DEVICE button where you wish to take the advanced code FROM (TV). (Optional, will use the default established above if ommited)
8. TAP the MAGIC button and enter the 3-digit Advanced Code (339). The screen will read TO.
9. TAP the DEVICE button where you want to use the advanced code (TV). (Optional, will use the default established above if ommited)
10. TAP the button you want to use the advanced code (MUTE), the screen will go back to the main display.
To clear a shift key:
This process will delete a 'key move' (ie, a button programmed using an advanced code) from a specific button.
Tap a DEVICE key. (Optional, sets the default device)
HOLD DOWN the SETUP button until the screen reads 'TIMED SEQ'.
TAP the DOWN ARROW button twice, the screen will read 'CONFIGURE'.
TAP the SELECT button, the screen will read 'THEATR SEL'.
TAP the DOWN ARROW button five times, the screen will read 'KEY MOVER'.
TAP the SELECT button, the screen will read 'FROM'.
TAP the DEVICE button where you wish to delete the function FROM. (Optional, will use the default established above if ommited)
TAP the button you wish to delete. The screen will read 'TO'.
TAP the button you wish to delete again, the screen will go back to the main display.
NOTE: To deleted a 'shift' key, press SETUP between the two presses of the button that you want to clear. EXAMPLE:
Tap a DEVICE key. (Optional, sets the default device)
HOLD DOWN the SETUP button until the screen reads 'TIMED SEQ'.
TAP the DOWN ARROW button twice, the screen will read 'CONFIGURE'.
TAP the SELECT button, the screen will read 'THEATR SEL'.
TAP the DOWN ARROW button five times, the screen will read 'KEY MOVER'.
TAP the SELECT button, the screen will read 'FROM'.
TAP the DEVICE button where you wish to delete the function FROM. (Optional, will use the default established above if ommited)
TAP the button you wish to delete. The screen will read 'TO'.
TAP the SETUP button.
TAP the button you wish to delete again, the screen will go back to the main display.
This info came from Rob Crowe's manual at the site above.
