crescendo Evolution Seven 7A2, Instruction Manual

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20
REMOTE CABLE CONNECTIONS
Remote cable is not as important as other cable. But, choose a cable with good isolation to
prevent problem in the future. We should remember that car is always facing extreme hot
weather, cold weather, and vibration.
GAIN SENSITIVITY
Set the amplifier input sensitivity in accordance with the power output of head unit, starting
from 5 Volt to 200 mVolt. Gain position at is for head unit with high voltage output and
gain position at is for head unit with extremely small voltage output.
FILTER MODE
This switch is to choose which type of filter will be used : High Pass Filter (HPF), without filter
(full range), or Low Pass Filter (LPF). Look at
Figure 5.
HIGH PASS FILTER (HPF)
The purpose of this filter is to weaken output from the appointed frequency down.
Appointed frequency is available from 50 to 750 Hz for Model 7A2. Look at
Figure 5.
LOW PASS FILTER (LPF)
The purpose of this filter is to weaken output from the appointed frequency up. Appointed
frequency is available from 50 to 750 Hz for Model 7A2. Look at
Figure 5.
LED INDICATOR POWER (ON)
LED will light up when amplifier is working properly. Look at
Figure 5.