You are listening on 7017.290kHz, and your current CW pitch of 600Hz is shown on the waterfall as a vertical black bar. (Please click the image to view the full sized version.)
You find two signals on the waterfall, one lower and another higher than the CW pitch. You click on the lower one, and the rig is now tuned on 7017.002kHz so that the designed signal can now be heard as 600Hz.
I am now writing a new page, IC-7410 Rig Control. See the new top menu.