There is A Firmware Upgrade Option on there which apparently allows you to Hack with the Players original Handset providing it has the Correct Buttons
Or by Using a One For All Remote to Imitate the Missing Buttons ...Buy one use it and Return it.
The "Chipping Option" is also a Good one although it does Cost as you have stated, and do Not worry it is NOT a Physical Chip as some would have you Believe it is still via a Supplied Service Remote.
Click on The Banner at the Bottom Of the Page or do a Google search for one of those Companies.
One thing is Definite if anybody wants to Charge you for an Apparent Handset Hack for your Player that can be apparently Applied with the Handset Supplied with the Player then you are Wasting your Time and Money ......even if it is only the Cost of a Pint Of Beer as some would say.