Humminbird PIRANHAMAX 190CPT - Manual (Page 22)

Moving the Portable Fishfinder
You should take the portable case with you when you leave the boat and will not
be using it. Perform the following steps to make your unit mobile:
1. With the boat engine off, loosen all cable retainers/clips holding the
transducer.
2. Remove the case from the surface mount.
3. Remove the transducer from the surface where it has been mounted,
wipe it dry, and stow it in the portable case rear pocket.
4. Unplug the power cable when not in use.
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