Need help?Do you have a question about the Crystal DB477D and is the answer not in the manual?
Covers safe operation, vehicle use, and airbag safety precautions for the radio.
Details safety measures for batteries, explosive atmospheres, and blasting areas.
Information on compliance with RF energy exposure standards and procedures.
Advises on safe installation practices within a vehicle to avoid damage.
Guides on fitting the microphone and connecting the antenna for optimal performance.
Details DC power connection and basic operations like power, volume, and channel selection.
Explains the fundamental process of transmitting and receiving speech with the radio.
Guidelines on radio operation, EME exposure, and antenna handling.
Advice on avoiding EMI and regulations for radio use on aircraft.
To Next Page
General
