Ah, found the answer for myself! Here are the instructions .....
Auto Search Setting
a) Turn on the TV.
b) Press TV Power + OK at the same time for 3 seconds or press until RED LED is on.
c) Press CH up or CH down key. LED blinks once when you press CH up or CH down key and the
signal for TV power will be out at the same time with pressing CH up or CH down.
d) When you press OK key, LED blinks 2 times and then it will be off.
e) After set-up TV vendor, Volume Punch(Volume +/-, Mute keys) will be automatically set