"When you go to save the new info to the existing channel, look
to see what channel number you are modifying. If the channel
number is flashing, that is the next open channel. Rotate the dial
back to the other number, then save it."
Ahh, that is indeed the information I've been looking for.
It's so easy once you know how. Too bad that simple sentence
doesn't appear in the manual.? 73,? Steve JS6TMW