Roberts Radio R972 - Manual (Page 24)

AM tuning step size
In Europe and other parts or the world AM tuning steps are 9kHz, in
America the AM tuning step size is 10kHz.
To change the AM tuning step size from 9KHz to 10KHz proceed as
follows:- Turn off the radio using the Power button (1). Turn on the radio
whilst holding down the Tuning up button (4). Release both buttons, the
AM tuning step size will now be 10KHz.
To change the AM tuning step size from 10KHz to 9KHz proceed as
follows:- Turn off the radio using the Power button (1). Turn on the radio
whilst holding down the Tuning down button (3). Release both buttons,
the AM tuning step size will now be 9KHz.