Humminbird® has built its reputation by designing and manufacturing top-quality, thoroughly reliable marine equipment. Your Humminbird® is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® does require repairs, we offer an exclusive Service Policy - free of charge during the first three years after purchase, and available at a reasonable rate after the three-year warranty period expires. For complete details, see the separate warra

1. Open the red cover over the DISTRESS key. 2. Press the DISTRESS key momentarily. The text area of the LCD will reconfigure to show the Distress submenu, shown below: DISTRESS CALL >UNDESIG COUNTING DOWN… 3. If you have enough time, rotate the CH/ENTER knob to select the type of Distress call. 4. Hold down the DISTRESS key for more than 3 seconds, until you see the DISTRESS CALL SENT message on the LCD. The entire LCD will flash and beep loudly. DISTRESS CALL >UNDESIG FIRE FLOODING COLLISION G

. . . . . . . . . . . . . . . . . . . . . . . . . 0.5 .V S/N Ratio (20 dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 .V Squelch Sensitivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Threshold -12 dB .V (EMF) Adjacent Channel Rejection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 dB Audio Power Output . . . . . . . . . . .

A high Quality antenna will maximize your transmit range and reception clarity, and compliment your Humminbird VHF radio. You can use your Humminbird VHF radio with any other quality marine band antenna . If you intend to use a previously installed antenna, check it before installing your radio to make sure all connections are tight and free of corrosion. Note: Do not operate the Humminbird VHF radio without an antenna, or with a “CB” antenna. Attempting to do so may damage the unit. Humminbird

. . . . . . . . . . . . . . . . . . . . . . . . . .2 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Section 1: ASSEMBLING THE RADIO . . . . . . . . . . . . . . .4 Section 2: CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . .5 Section 3: BASIC OPERATION . . . . . . . . . . . . . . . . . . . .6 Section 4: SCANNING FEATURES . . . . . . . . . . . . . . . . .9 Scanning All Channels . . . . . .