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Old 01-07-2014, 09:18 AM
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Originally Posted by DnD View post
F-70 is still a single frequency machine which is inherently problematic with salt water/sand. Now the CZ-70 is another story....basically same MF-VLF technology as the current CZ-21, but it is splashproof instead of submersible. The CZ-70 does have a visual display with target id, etc. Also, the control box is removable, so you could zip-lock it in a baggie and put it in a backpack while you hunt deeper areas.
I'm guessing the CZ-70 is an older model?? I don't see it listed on the Fisher site.

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