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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Humminbird DC 25, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Humminbird DC 25 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Humminbird DC 25. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Humminbird DC 25 should contain:
- informations concerning technical data of Humminbird DC 25
- name of the manufacturer and a year of construction of the Humminbird DC 25 item
- rules of operation, control and maintenance of the Humminbird DC 25 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Humminbird DC 25 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Humminbird DC 25, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Humminbird service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Humminbird DC 25.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Humminbird DC 25 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
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Page 2
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. You [...]
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Page 3
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. The radio can be tilted up or down on its mount to allow maximum ease of[...]
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Page 4
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. 9. To “dress” the ¾” hole and hold the power cable securely, push[...]
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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). Pick up the microphone; press the button on the microphone and[...]
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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. SQUELCH eliminates background noise when the radio is no t receivin[...]
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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. Holding the HI/LO button down while transmitting [...]
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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: Your DC - 25 complies with new FCC regulations, which require the radio to disable the transmitter after [...]
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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. Turn the[...]
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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. Placing a Call Before beginning transmission, select the cha[...]
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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). Depress the microphone button and broadcast your emergency call. Speaking in[...]