Garrett Metal Detectors Sea Hunter Mark II None - Manual (Page 26)

4. Dive with extreme caution. Observe
diving practices to lessen the risk of
becoming entangled with the headphones
or coil cables. Ensure that the headphones'
vent holes are open prior to diving.
5. When using the hip mount configuration,
ensure that the belt will not interfere with
equipment removal in the event of an
emergency.