Lowrance HD5 help needed

Happy Dog

New member
Hi Guys please can someone help me? I used my unit the other day and on the split screen I zoomed in on depth half, awesome but did not know how I did it. Could not get out to zoom in on GPS half.

I had to turn the unit off and then restart.

Pleasse could someone let me know how this is done as I would like to try do it again but knowingly?

Thanks
 
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