CDD Marine Electric Whistle
CDD marine electric whistle has the characteristics of diverse functions, high power, clear sound, and long sound transmission. This series of products adopts advanced computer chips, the tone generation adopts single-chip software programming, the outer body adopts involute spiral design, and the speaker is filled with high-quality magnetic fluid to protect the voice coil, which increases the service life of the speaker. This product is widely used in water transportation, docks, etc.
Overview
Technical description
Advanced computer chips: multiple functions, stable signals, long sound transmission, less signal distortion
Micro-controller software programming: simple circuit, stable frequency
Involute spiral design: waterproof, dust-proof, UV-resistant, and adaptable to a variety of complex outdoor working environments
High-quality magnetic fluid protection voice coil: speakers are not easy to burn out
Parameters
Type | CDD-80 | CDD-300 |
Working voltage | DC24V | DC24V (±10%) |
Rated power | 80W | 300W |
Output sound pressure | >125dB | ≥131dB |
Frequency | 750―850Hz | 400~700HZ |
Harmonic distortion | ≤5% | |
Effective transmission distance | 1000m | |
Operating temperature | -30℃~+55℃ | |
Protection level | IP56 |
Product detail pictures
Operation instruction
This product has radio and marine signals two functions, can be used independently.
1.Used as radio
It can work as radio after power on, the sound emitted by the host speaker, mainly used in the control room. Do not use the horn through the microphone to prevent the speakers from damaging for extended periods of time. Radio frequency range: 88MHZ ~ 108MHZ.
1)Volume knob: control the power and volume. When the radio is off, turn it clockwise to turn on and increase the radio volume.
2)Reset button: Press the reset button, the radio frequency back to the initial state.
3)FM button: Adjust the radio frequency, receiving frequency incremented each time.
4)Antenna: In the case of poor reception signal, the radio antenna can be pulled out and then rotated until it receives a satisfactory signal.
2.Used as marine signal
1)Switch knob: Connect to the power supply, turn the switch knob to turn it on. The controller is in standby state when the indicator light is on.
2)Indicator light: The indicator light is on showing the controller is in standby state.
3)Whistle button: In standby state, press the button( not release) make a whistle, release will return to standby state.
4)Fog horn button: In standby state, press it and release to make a fog horn sound, press again to return to standby.
5)Microphone: In standby state, press the button on the left side on the microphone (not release)