SoundMax SM-CMD3001 - Manual (Page 7)

7
Notes:
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In spite of having any kinds of speaker system, use 4 ohms impedance of speaker to reduce the
distortion during high volume level.
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It is prohibited to make the conductors of auto antenna and ground touch with each other.
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For your driving safety, please link your brake detecting wire with low power level, and keep it controlled
by manual brake switch. Wire should be high power level and the unit cannot play DVD or VCD disc. A
caution phrase will be displayed on the screen.