User Guide

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Properly maintaining the Perfect mARC Navigator whistle will ensure your training

experience is worry free, at least from this piece of equipment. Even though this product

is designed to withstand conditions in the eld, it should be periodically cleaned to ensure

its function is reliable.

Consider the following guidelines to maintain your whistle’s performance.

• Clean with warm soapy water. DO NOT clean acrylic parts with alcohol (methyl, ethyl,

isopropanol, or acetone).

• Keep parts free of dirt and debris when possible.

• Inspect for damage prior to every use.

• Don’t attempt to operate the whistle with damaged or broken components.

Maintenance