Samsung UN75ES9000F E-Manual page 686

external device and press the touch
pad to test if the device works.
4. If the downloaded recommended
model code does not work, repeat
the steps from step 3.
N
When you use the BD home theater
by using Universal Remote, some
buttons may not be supported. In
this case, we recommend to use
Anynet+ (HDMI-CEC) function.