Vemco HR2, Руководство пользователя

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Step 2 - Place receiver on a clean and dry flat surface
Place the HR2 on a clean, flat surface so the top end
(hydrophone end) is just hanging over the edge as shown.
DO NOT let the receiver fall off the surface.
A non-slip surface, such as a rubber mat, helps
keep the HR2 in place while opening it.
Step 3 - Insert the steel rod - Bottom end
Hold the body of the HR2 securely in place.
Insert one steel rod into the hole that runs through the
diameter of the case near the bottom end of the HR2.
Position it so most of the rod is on the left side of the
receiver, as shown.
Place a hand on the back of the receiver to hold it in place.
The back of the receiver often “jumps” during the
unscrewing step, so be prepared.
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7.1 Replacing the Main Battery