NETGEAR CM500 User Manual page 21

5. In the Starting Frequency field, type a number as instructed by your cable Internet provider.
WARNING:
Do not change the starting frequency unless your cable Internet
provider instructs you to do so. Changing the starting frequency
incorrectly causes serious connection and Internet problems.
6. Click the Apply button.
Your change takes effect.
CM500 High Speed Cable Modem
Manage and Monitor
21