Instruction/ maintenance manual of the product DC 25 Humminbird
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What You Need Your Humminbird VHF radio requires the connection of a VHF marine band antenna. These antennas are readily available through marine distributors and come in a variety of shapes, materials, and mounting type s. A high Quality antenna will maximize your transmit range and reception clarity, and compliment your Humminbird VHF radio.
Installing The VHF Radio Installation Location The first st ep in installing the Humminbird VHF radio is to determine the best mounting location. The gimbal mount included with your radio offers mounting capabilities for the top or bottom of a shelf, the bulkhead, or overhead.
7. Pull the power cable, antenn a cable, and cable for the auxiliary speaker (if used) up through the ¾” hole behind the gimbal bracket, leaving the connector ends above the mounting surface. 8. Connect the cables to the appropriate cable plugs at the back of the VHF radio.
TESTING THE INSTALLATION After connecting your antenna to the Humminbird VHF radio, you’re ready to verify that it is properly installed and powered up. Turn the radio volume knob to the right. The LCD screen should light u p and display the number 16 (for the preselected Channel 16).
VOLUME ON/OFF turns power to the radio on and off, and controls the volume of both the built - in speaker and any auxiliary speaker connected to the radio. When power is first turned on, the radio is automatically set to Channel 16 (emergency and calling) in the USA frequency band.
HI/LO selects the power level for transmission. HI transmits at the maximum legal wattage for each channel, usually 25 watts; LO transmits at 1 watt. Use LO for in - port or short - range communications, HI for longer range communica tions. The current HI/LO selection is indicated on the LCD screen.
The microphone button controls whether you are receiving or transmitting. Depress the microphone button and speak clearly into the selected channel. When t he microphone button is not depressed, the radio remains ready to receive signals.
Note: Do not operate the Humminbird VHF radio without a 50 ohm marine band antenna. Attempting to do so may damage the unit. Humminbird is not responsible for damage caused by operation without an antenna or with an inappropriate antenna. Setting Up for Communications To begin operating your Humminbird VHF radio, follow the steps below: 1.
To use this function, select any channel for receiving (for example, a weather channel). Then, press the DUAL button. The radio remains tuned to the channel you selected, but will switc h to Channel 16 immediately if a signal is detected. To cancel dual watch, press the Dual button again.
Note: If you receive a distress message and are sure the caller is not in your vicinity, wait a short time for others to acknowledge the call. Placing an Emergency Call To place an emergency call, press the CH 16 button to select Channel 16 (emergency and calling channel).
An important point after buying a device Humminbird DC 25 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Humminbird DC 25 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Humminbird DC 25 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Humminbird DC 25 you will learn all the available features of the product, as well as information on its operation. The information that you get Humminbird DC 25 will certainly help you make a decision on the purchase.
If you already are a holder of Humminbird DC 25, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Humminbird DC 25.
However, one of the most important roles played by the user manual is to help in solving problems with Humminbird DC 25. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Humminbird DC 25 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
