Setting the Channel or Frequency Step You can set the channel or frequency step so you can quickly increment to the next channel or frequency using the Up Arrow and Down Arrow buttons. Step Notes 1 [Freq/Chan/Time Ref] 2 [Chan Step] or [Freq Step] This choice depends on the [Units] mode you are using. 3 Enter the desired channel or frequency step using the numeric keypad. 4 [Enter] Notice (and verify) that the number you entered is displayed below the Chan Step or Freq Step text on the corresponding button.