Controls
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| FUSE(15A⋅4 ) |
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| GND |
| SPEAKER OUTPUT |
| ∑ SERVO II |
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| 4 |
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| BATT. |
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| FEED BACK |
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15 | 15 | 15 | 15 |
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| 0.5 |
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| INPUT | 5 | 0.2 |
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| SENSITIVITY (MIN) | (MAX) |
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| 200 | 40 | 200 | |||
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| LO PASS |
| B.R.F. |
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| FREQUENCY | FREQUENCY | |||
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| LINE IN | OUT |
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| L | L | GND | P.CON EXT.AMP.CONT. |
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| INFRASONIC |
| BAND |
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| FREQ (Hz) |
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| REJECT | LPF | |||||
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| INFRASONIC |
| BAND |
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| FREQ (Hz) |
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| REJECT | LPF | B.M.S. |
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| 20 | 25 | OFF | ON | OFF ON | OFF ON | ||
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| OPEN/ B.M.S. |
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| 20 25 | OFF | ON | OFF ON | OFF ON |
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| CLOSE B.M.S. (+6) |
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| (REMOTE) |
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& ^ $ @ 6 7 8 9 0
1Fuse (15 A ⋅ 4)
2Battery terminal
3Ground terminal
4SPEAKER OUTPUT terminals
As this unit accepts speakers with a minimum impedance of 2 ohms, connect speakers with
2CAUTION
@Low Pass Filter switch
When this switch is set to ON, the bass is boosted because the frequencies of the lower frequency band than the cutoff frequency set with the LPF FREQUENCY control are output.
#LPF FREQUENCY control
Sets the cutoff frequency when the FILTER switch is set to LPF.
$BAND REJECT filter switch
The rated input of the speakers should be no less than the maximum output of the amplifier. Otherwise malfunction may result.
5SIGMA SERVO FEED BACK terminals (See p.11)
2CAUTION
Be sure to make proper connections to the SIGMA SERVO FEED BACK terminals. Incorrect connection may result in lack of sound output or other malfunctions.
6RCA cable ground lead terminal
7LINE IN terminal
8LINE OUT terminal
9Power control terminal
0EXT.AMP.CONT. (external amplifier control) terminal
This controls the B.M.S. (See P.6).
!INPUT SENSITIVITY control
Adjust this control according to the
NOTE
When this switch is set to ON, frequencies in the band set with the BAND REJECT FREQUENCY control are rejected and eliminated. The band rejection allows to reduce resonance inside the vehicle compartment and standing waves. (See P.12)
%BAND REJECT FREQUENCY control
Sets the rejection frequency when the BAND REJECT switch is set to ON. (See P.12)
^INFRASONIC FILTER switch
When this switch is set to ON, the inaudible, ultralow frequencies below the frequency set with the INFRASONIC FILTER FREQUENCY switch are cut off. This improves the reproduction performance of the speakers by eliminating unnecessary oscillations which will not become sound.
&INFRASONIC FILTER FREQUENCY switch
Switches the cutoff frequency when the INFRASONIC FILTER switch is set to ON.
Refer to “Specifications” on the centre unit’s instruction manual about the
4English