Wow, thanks ... you are awesome! I confirmed the BASS, TREBLE, and MENU codes. As stated above, the BASS and TREBLE codes jump by 2. I did not confirm MENU. If the codes are shortened to the following, then they jump the bass and treble by 1 as expected.

Bass Up

Device Code: 176 Function: 80
0000 0067 0030 0000 0060 0018 0018 0018 0018 0019 0018 0018 0018 0018 0030 0018 0018 0018 0030 0018 0018 0018 0018 0018 0018 0018 0018 0018 0030 0018 0030 0018 0018 0018 0030 0365

Bass Down

Device Code: 176 Function: 81
0000 0067 0030 0000 0060 0018 0030 0018 0018 0018 0018 0018 0018 0018 0030 0018 0018 0018 0030 0018 0018 0018 0018 0018 0018 0018 0018 0018 0030 0019 0030 0018 0018 0018 0030 034d

Treble Up

Device Code: 176 Function: 86
0000 0067 0030 0000 0060 0018 0018 0018 0030 0019 002f 0019 0018 0018 0030 0018 0018 0018 0030 0018 0018 0018 0018 0018 0018 0018 0018 0018 0030 0018 0030 0018 0018 0018 0030 0335

Treble Down

Device Code: 176 Function: 87
0000 0067 0030 0000 0060 0018 0030 0018 0030 0018 0030 0018 0018 0018 0030 0018 0018 0018 0030 0018 0018 0018 0018 0018 0018 0018 0018 0018 0030 0018 0030 0019 0018 0018 0030 031d

Thanks again .... Bill