OPEN THE 1296 FILE WITH TEXT EDIT AND CHANGE TO THIS:
1296:
MANUFACTURER AVAB
CONSOLE SMARTFADE
$SOFTWAREVERSION 3.0.2 43
IDENT 3.0
CLEAR ALL
2496:
MANUFACTURER AVAB
CONSOLE SMARTFADE WIDE
$SOFTWAREVERSION 3.0.2 43
IDENT 3.0
CLEAR ALL
Then save on SD card and load it in the 2496 smartfade.