I've spent several months creating a detailed quickdraw map on my echomap 53dv chirp unit. I recently purchased a new 73cv chirp unit hooked up to a new GT23M-TM transducer. I took out the SD card from the 53dv unit and put it in the 73cv, and my QD map appears perfectly on the 73cv with no issues. However, when I put that SD card back into the 53dv, the quickdraw map no longer shows up on that unit, and I get the following message on the screen:
Any idea why it shows up on my 73cv and no longer the 53dv? I thought I could use the same card(w/ the stored QD map) to swap between two echomap chirp units?
Originally Posted by mdavis166
I've spent several months creating a detailed quickdraw map on my echomap 53dv chirp unit. I recently purchased a new 73cv chirp unit hooked up to a new GT23M-TM transducer. I took out the SD card from the 53dv unit and put it in the 73cv, and my QD map appears perfectly on the 73cv with no issues. However, when I put that SD card back into the 53dv, the quickdraw map no longer shows up on that unit, and I get the following message on the screen:
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