CC2510 FCC COMPLIANCE Frequency Hopping for 1W output power

We are having a frequency hopping requirement in one of our audio application which uses CC2510 (2.4-GHz Radio Transceiver), requirement from customer  are as follows,

1. "The Transmitter employs frequency hopping compliant with per FCC 15.247 (1), including but not limited to the following:

•     The Transmitter frequency hopping employs a minimum of 75 non-overlapping hopping channels
•     Hopping carrier frequencies separated by a minimum of 25KHz
•     The Transmitter shall hop to channel frequencies that are selected at the system hopping rate from a pseudo randomly ordered list of hopping frequencies
•     The Transmitter must, on average, use each frequency equally
•     The Headphones have input bandwidths that match the hopping channel bandwidths of the Transmitter and shifts frequencies in synchronization with the transmitted signals

We also found that for 1 Watt Output power at least 75 non-overlapping channels are required, and for other cases (0.125 W) at least 15 channels are required.

When we checked TI for similar application we found that all the sample Audio Applications (even with Range extenders) are using only 4 channels for frequency hopping.

So our confusions are as follows,

• TI sample Audio Applications are violating FCC COMPLIANCE or are we missing something in our understandings?
• If FCC 15.247 (1) is mentioning min channels requirement for frequency hopping then why TI applications are recommending only 4 channels in frequency hopping?
• Do we really need to go with 75 non-overlapping hopping channels in similar applications for 1W output power?

It will be really helpful if you could help us with your thoughts on frequency hopping channels requirement in normal RF 2.4-GHz Radio wireless applications.