Kenwood KAC-X542 - Manual (Page 7)

English 7
Control an Amp from Center Unit
The following explains how to control the sound of Amplifier B by operating
the Amplifier Control of the unit from the Center Unit.
1 Enter AMP Control mode
Select the AMP Control mode by following the <AMP Control>
procedure given on the Operation Manual of the Center Unit.
NOTE
Use the set item and value operation buttons by following the instructions
given on the Operation Manual of the Center Unit.
2 Select an amp number to operate
Operate the desired set item with the Center Unit.
Select the "AMP NO"/"AMP CONTROL NO" display.
NOTE
When the Center Unit is in the STANDBY mode, message "AMP OFF" is
displayed and you cannot operate the set items.
3 Set an ID number of Amp to operate
Set an amp’s ID number on the Center Unit.
You can select an ID number of "0" to "7" of connected amps.
4 Select the AMP Control item for adjustment
Select the desired set item on the Center Unit.
5 Adjust the AMP Control item
You can set a value of each item on the Center Unit.
The set items and their values are switched and displayed as follows.
Display Range Adjustment Item
"VOLT"/"CURR"/"TEMP"/"FAN" The amp state is displayed.
"VOLT" Indicates the source voltage (V).
"CURR" Indicates the current consumption (A).
"TEMP" Indicates the internal temperature (°F/°C).
"FAN" Indicates the rotation speed of the cooling fan in
3 steps: "FAST", "SLOW" or "OFF".
"BAS F"/"BASS FREQ" 60/80/100/200 (Hz) Bass Center Frequency
"BAS G"/"BASS GAIN" –15 — +15 (dB) Bass level
"Q FA"/"Q FACTOR" Q1.00/Q1.25/Q1.50/Q2.00 Bass Q Factor
"EXT"/"BASS EXT" ON/OFF When the bass extend is set to ON, low frequency
response is extended by 20%.
"TRE F"/"TREB FREQ" 10/12/15/17 (kHz) Treble Center Frequency
"TRE G"/"TREB GAIN" –15 — +15 (dB) Treble level
"VOL"/"VOL OFFSET" –20 — 0 (dB) Volume offset
"AMP NO"/
"AMP CONTROL NO" 0 — 7 Select an ID number of the amp you use.
6 Exit AMP Control mode
Releases the Amp Control mode by the Center Unit.
NOTE
When you have controlled the bass or treble of the sound using the
Equalizer or DSP function of the Center Unit, and when you amplify the same
frequency as that controlled by the Amplifier Control, the sound may be
distorted due to an input overflow.
Messages that may be displayed on the Center Unit
When you are selecting an item with the Amp Control, an error status of the
amplifier is displayed on the Center Unit.
Display Informations
"AMP × E-01"/"AMP × COND E-01" When the inside of the unit is overheating.
"AMP × E-02"/"AMP × COND E-02"
When the unit has failed and direct current voltage is generated
to the speaker’s output.
NOTE
Turn the POWER switch Off and release the protection. If the
error message continues, consult to the Kenwood’s dealership.
"AMP × E-03"/"AMP × COND E-03"
When the speaker cord is shorted.
When the speaker output is in contact with the vehicle ground.
"AMP OFF" When you use the Amp Control in the Standby mode.
NOTE
Number "×" on the display indicates the amp’s ID number.