I will give that a go Lyndel, and thanks again. Here is the page from the pdf:

(Hexa) Function Note Code
(Hexa) Function Note
00 CH +, PR + R/C Button
53 List R/C Button
01 CH -, PR - R/C Button
5B Exit R/C Button
02 Volume + R/C Button
60 PIP(AD) R/C Button
03 Volume - R/C Button
61 Blue R/C Button
06 > (Arrow Key / Right Key) R/C Button
63 Yellow R/C Button
07 < (Arrow Key / Left Key) R/C Button
71 Green R/C Button
08 Power R/C Button
72 Red R/C Button
09 Mute R/C Button
79 Ratio / Aspect Ratio R/C
0B Input R/C Button
91 AD (Audio Description) R/C
0E SLEEP R/C Button
7A User Guide R/C Button
0F TV, TV/RAD R/C Button
7C Smart / Home R/C Button
10 - 19 * Number Key 0 - 9 R/C Button
7E SIMPLINK R/C Button
1A Q.View / Flashback R/C Button
8E ►► (Forward) R/C Button
1E FAV (Favorite Channel) R/C Button
8F ◄◄ (Rewind) R/C Button
20 Text (Teletext) R/C Button
AA Info R/C Button
21 T. Opt (Teletext Option) R/C Button
AB Program Guide R/C Button
28 Return (BACK) R/C Button
B0 ► (Play) R/C Button
30 AV (Audio / Video) Mode R/C Button
B1 ꕗ (Stop / File List) R/C
39 Caption/Subtitle R/C Button BA
ꕘ (Freeze / Slow Play /
Pause) R/C Button
40 Λ (Arrow Key / Cursor Up) R/C Button
BB Soccer R/C Button
41 V (Arrow Key / Cursor
Down) R/C Button
BD ꔄ (REC) R/C Button
42 My Apps R/C Button
DC 3D R/C Button
43 Menu / Settings R/C Button
99 AutoConfig R/C Button
44 OK / Enter R/C Button
9F App / * R/C Button
45 Q.Menu R/C Button
9B TV/PC R/C Button
4C List, - (ATSC Only) R/C Button
* Key code 4C (0x4C) is available on ATSC/ISDB models which use major/minor channel.
(For South Korea, Japan, North America, Latin America except Colombia models)

Not sure if this is relevant:

Real data mapping (Hexadecimal b Decimal)
* When you enter the [data] in hexadecimal, refer to following conversion table.
* Channel Tune (ma) Command uses two-byte hexadecimal value([data]) to select channel number.
00 : Step 0 32 : Step 50 (Set ID 50) FE : Step 254
01 : Step 1 (Set ID 1) 33 : Step 51 (Set ID 51) FF : Step 255
... ... ...
0A : Step 10 (Set ID 10) 63 : Step 99 (Set ID 99) 01 00 : Step 256
... ... ...
0F : Step 15 (Set ID 15) C7 : Step 199 27 0E : Step 9998
10 : Step 16 (Set ID 16) C8 : Step 200 27 0F : Step 9999