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Kenwood Z-638, Instruction Manual

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Kenwood Z-638 Instruction Manual Download Page 27

Toggles ON or OFF the mute control on the built-in amplifier.
Turning ON this control enhances the preout quality.

Display

Setting

"AMP Mute OFF"

The built-in amplifier activates.

"AMP Mute ON"

The built-in amplifier deactivates.

Built-in Amp Mute Setting <In Standby mode>

Setting display/don't display for the System Q factors (Bass
center frequency, Bass Q factor, Bass extend, Middle center
frequency, Middle Q factor, and Treble center frequency) in
Audio control.

Display

Setting

"System Q ON"

The System Q factors are displayed.

"System Q OFF"

The System Q factors aren't displayed.

System Q

— 27 —

Setting the central frequency boosted by B.M.S.

Display

Setting

"AMP Freq Normal"

Boost with the normal central frequency

"AMP Freq Low"

Drop the normal central frequency 20% 

B.M.S. Frequency Offset

Adjust the bass boost level of the external amplifier using the
main unit.

Display

Setting

"AMP Bass Flat"

Bass boost level is flat.

"AMP Bass +6"

Bass boost level is low (+6dB).

"AMP Bass +12"

Bass boost level is mid (+12dB).

"AMP Bass +18"

Bass boost level is high (+18dB).

• Refer to the catalog or instruction manual for power amplifiers that

can be controlled from this unit.

• For amplifiers there are the model that can be set from Flat to +18

dB, and the model that can be set from Flat to +12 dB. 
When an amplifier is attached that can only be set to +12, even if
”AMP Bass +18” is selected it won’t operate correctly.

B.M.S. (Bass Management System)

Z638_U.S  01.12.3  1:48 PM  Page 27

Summary of Contents for Z-638

Page 1: ...NUAL ...

Page 2: ... Search Album Search Direct Track Search Direct Album Search Track Album Repeat Track Scan Random Play Magazine Random Play Disc Naming DNPS Text Title Scroll DNPP Disc Name Preset Play Menu system 23 Menu System Security Code Touch Sensor Tone Manual Clock Adjustment Date Adjustment Date Mode Synchronize Clock DSI Disabled System Indicator Selectable Illumination Font Color Select Dimmer System Q...

Page 3: ...with the prescribed rating Using a fuse with the wrong rating may cause your unit to malfunction To prevent short circuits when replacing a fuse first disconnect the wiring harness Do not place any object between the faceplate and the unit During installation do not use any screws except for the ones provided The use of improper screws might result in damage to the main unit Do not apply excessive...

Page 4: ...form on the lens in the CD player of the unit Called lens fogging CDs may be impossible to play In such a situation remove the disc and wait for the condensation to evaporate If the unit still does not operate normally after a while consult your Kenwood dealer Safety precautions Cleaning the Faceplate Terminals If the terminals on the unit or faceplate get dirty wipe them with a dry soft cloth Cle...

Page 5: ...ticular frequency with the best reception for the particular network of stations that you want to listen to The data is automatically stored allowing you to switch quickly to another RDS stations broadcasting the same program that has better reception These include stations stored in the station preset memory that you often listen to Enhanced Other Network Stations that offer Enhanced Other Networ...

Page 6: ...aning Clean from the center of the disc and move outward Removing CDs When removing CDs from this unit pull them out horizontally CDs that can t be used CDs that aren t round can t be used CDs with coloring on the recording surface or that are dirty can t be used Don t use CDs without disc mark A CD R or CD RW that hasn t been finalized can t be played For the finalization process refer to your CD...

Page 7: ... OFF after 20 minutes lapses in Standby mode in order to save the vehicles battery The time until full power OFF can be set in Power OFF Timer page 29 Selecting the Source Turning ON the Power Press the SRC button When the power is ON the Security Code page 24 is displayed as CODE ON or CODE OFF Turning OFF the Power Press the SRC button for at least 1 second Power General features 7 SRC ATT LOUD ...

Page 8: ...trol page 8 Each setting value is changed with the Speaker Setting page 9 First select the speaker type with the Speaker setting You can recall the best sound setting preset for different types of the music 1 Select the source to set Press the SRC button System Q Compensating for low and high tones during low volume Press the LOUD button for at least 1 second Each time the button is pressed for at...

Page 9: ...tuning so that the System Q value is optimal when setting the speaker type 1 Enter Standby Press the SRC button Select the ALL OFF display Speaker Setting Adjustment Item Display Range Bass Center Frequency Bass FRQ 60 70 80 100 or 150 Hz Bass level Bass 8 8 Bass Q Factor Bass Q 1 00 1 25 1 50 2 00 Bass Extend Bass EXT ON OFF Middle Center Frequency MID FRQ 0 5 1 0 1 5 2 0 kHz Middle level MID 8 8...

Page 10: ...witching Upper and Lower Part Display Demonstration can be selected when Display Type A or Display Type C is selected in Display Mode Switching page 9 Only Display Type A and Display Type B can be selected in ALL OFF Switching the information displayed in Standby 1 Enter Standby Press the SRC button Select the ALL OFF display 2 Switch the display Press the S A button Each time the button is presse...

Page 11: ...gistration refer to Disc Naming DNPS page 22 In CD External disc source Upper Part Display Information Display Track Time P Time Disc name DNPS Disc title DISC TITLE Track title TRACK TITLE 11 In Tuner source Upper Part Display Information Display Program Service name or Frequency BAND ch PS Radio text R TEXT The Frequency is displayed during Program Service name reception Press the DISP button fo...

Page 12: ...etting The faceplate of the unit can be detached and taken with you helping to deter theft Removing the Faceplate 1 Press the Release button Drop open the faceplate 2 Drawing the faceplate to left side pull it to the front and remove it The faceplate is a precision piece of equipment and can be damaged by shocks or jolts For that reason keep the faceplate in its special storage case while detached...

Page 13: ...udio during a call Press the SRC button The CALL display disappears and the audio system comes back ON When the call ends Hang up the phone The CALL display disappears and the audio system comes back ON TEL Mute SRC MENU FM 4 AM 1 6 I N P S ATT ST LOUD RDS TI ST indicator Preset station number Frequency display Band display Z638_U S 01 12 3 1 48 PM Page 13 ...

Page 14: ...h band 1 station can be put in the memory on each 1 6 button Station Preset Memory Entering the frequency and tuning 1 Select the band Press the FM or AM button 2 Enter Direct Access Tuning mode Press the DIRECT button on the remote is displayed 3 Enter the frequency Press the number buttons on the remote Example Desired frequency Press button 92 1 MHz FM 0 9 2 1 810 kHz AM 0 8 1 0 Canceling Direc...

Page 15: ...name the frequency is displayed instead Changing the display order Press the 4 or button Changing the displayed band Press the FM or AM button SNPP Station Name Preset Play Function of Remote Calling up the stations in the memory 1 Select the band Press the FM or AM button 2 Call up the station Press the 1 6 button Preset Tuning When the AF Function page 28 is ON only RDS stations are put in the m...

Page 16: ...o ON is displayed it and it switches to traffic information During reception of a AM station when the Traffic Information function is turned ON it switches to a FM station During reception of traffic information the adjusted volume is automatically remembered and the next time it switches to traffic information it s automatically the remembered volume Receiving other traffic information stations P...

Page 17: ...t found NO PTY is displayed Select another Program Type 4 Exit PTY mode Press the PTY button Selecting the Program Type and searching for a station 1 Enter PTY mode Press the PTY button PTY Select is displayed This function can t be used during a traffic bulletin or AM reception 2 Select the Program Type Press the FM or AM button Each time the button is pressed the Program Type switches as shown b...

Page 18: ...e FM or AM button Each time the button is pressed the language switches as shown below Changing Language for PTY Function Putting the Program Type in the Preset button memory and calling it up quickly Presetting the Program Type 1 Select the Program Type to preset Refer to PTY Program Type page 17 2 Preset the Program Type Press the 1 6 button for at least 2 seconds Calling up the preset Program T...

Page 19: ...ernal disc control features 19 SCAN RDM REP M RDM 4 FM AM DISP NAME S SRC I N P S AT T ST LO UD RD S TI Track number Track time IN indicator Disc number Track title Disc title Z638_U S 01 12 3 1 48 PM Page 19 ...

Page 20: ...p open the faceplate Press the Release button 2 Inset a CD 3 Press the faceplate on the right side and return it to its former position When the faceplate has been dropped open it might interfere with the shift lever or something else If this happens pay attention to safety and move the shift lever or take an appropriate action then operate the unit Do not use the unit with the faceplate in the op...

Page 21: ...r buttons on the remote 2 Do Track Search Press the 4 or button Canceling Direct Track Search Press the 38 button Direct Track Search Function of remote Selecting the disc you want to hear Press the FM or AM button Album Search Function of disc changer Selecting the song you want to hear Press the 4 or button Track Search Fast Forwarding Hold down on the button Release your finger to play the disc...

Page 22: ... a CD can be changed by the same operation you used to name it Attaching a title to a CD 1 Play the disc you want to attach a name to A title can t be attached to a MD Disc Naming can t be done during CD text display 2 Enter name set mode Press the NAME S button for at least 2 seconds Name Set is displayed 3 Move the cursor to the enter character position Press the 4 or button Disc Naming DNPS Pla...

Page 23: ...isc you want is displayed Press the OK button on the remote The disc being displayed is played Canceling the DNPP mode Press the DNPP button on the remote DNPP Disc Name Preset Play Function of disc changers with remote Scrolling the displayed CD text or MD title Press the DISP button for at least 1 second Text Title Scroll 23 Menu system SRC MENU FM 4 AM I N P S ATT ST LO UD RDS TI Menu display R...

Page 24: ...isplayed The Security Code function activates If you enter a Code different from your Security Code you have to start over from step 4 Security Code Setting during operation beep sound etc functions The Menu system basic operation method is explained here The reference for the Menu items and their setting content is after this operation explanation 1 Enter Menu mode Press the MENU button for at le...

Page 25: ...utton Select the Date Adjust display 2 Enter Date Adjust mode Press the 4 or button for at least 1 second The date display blinks 3 Selecting the item day month or year to adjust Press the 4 or button The items that are blinking are items that can be adjusted 4 Adjust each item Press the FM or AM button 5 Repeat step 3 and 4 operation and adjust the date 6 Exit Date adjustment mode Press the MENU ...

Page 26: ... green Button Red The illumination color is red Selectable Illumination A red indicator will blink on the unit after the faceplate is removed warning potential thieves Display Setting DSI ON LED flashes DSI OFF LED OFF DSI Disabled System Indicator Synchronizing the RDS station time data and this unit s clock Display Setting SYNC ON Synchronizes the time SYNC OFF Adjust the time manually It takes ...

Page 27: ...oosted by B M S Display Setting AMP Freq Normal Boost with the normal central frequency AMP Freq Low Drop the normal central frequency 20 B M S Frequency Offset Adjust the bass boost level of the external amplifier using the main unit Display Setting AMP Bass Flat Bass boost level is flat AMP Bass 6 Bass boost level is low 6dB AMP Bass 12 Bass boost level is mid 12dB AMP Bass 18 Bass boost level i...

Page 28: ...searched for in auto seek tuning Display Setting Local S OFF The local seek function is OFF Local S ON The local seek function is ON Local Seek In Tuner mode It switches automatically when a news bulletin starts even if the radio isn t being listened to Also the time interval when interrupt is prohibited can be set Display and Setting NEWS OFF NEWS 00min NEWS 90min When NEWS 00min NEWS 90min is se...

Page 29: ...ion Restrict Function is ON Regional OFF The Region Restrict Function is OFF Sometimes stations in the same network broadcast different programs or use different program service names Restricting RDS Region Region Restrict Function 29 Setting the timer to turn this unit s power OFF automatically when Standby mode continues Using this setting can save the vehicle s battery power Display Setting OFF...

Page 30: ... Use one lithium battery CR2025 Insert the batteries with the and poles aligned properly following the illustration inside the case Store unused batteries out of the reach of children Contact a doctor immediately if the battery is accidentally swallowed Do not set the remote on hot places such as above the dashboard 2WARNING Loading and Replacing the battery ATT 0 9 FM AM 38 4 VOL SRC DIRECT OK DN...

Page 31: ...m Type page 17 mode DNPP OK button Enters and cancels the SNPP Station Name Preset Play page 15 mode In Tuner source 31 4 buttons Doing track forward and backward DISC DISC buttons Doing album forward and backward 38 button Each time the button is pressed the song pauses and plays DNPP OK button Enters and cancels the DNPP Disc Name Preset Play page 23 mode 0 9 buttons When in Direct Track Search ...

Page 32: ... s ignition does not have an ACC position or if the ignition wire is connected to a power source with constant voltage such as a battery wire the power will not be linked with the ignition i e it will not turn on and off along with the ignition If you want to link the unit s power with the ignition connect the ignition wire to a power source that can be turned on and off with the ignition key If t...

Page 33: ...nna Conversion Adaptor ISO JASO Accessory3 1 Wiring harness Accessory1 5 Connect to the terminal that is grounded when either the telephone rings or during conversation 24 Power control Motor antenna control wire Blue White 22 Connect either to the power control terminal when using the optional power amplifier or to the antenna control terminal in the vehicle 26 A 7 Pin Red 8 A 4 Pin Yellow 9 Conn...

Page 34: ...s in 3 above the unit s power will not be linked to the ignition key For that reason always make sure to turn off the unit s power when the ignition is turned off To link the unit s power to the ignition connect the ignition cable ACC red to a power source that can be turned on and off with the ignition key 1 Default setting The A 7 pin red of the vehicle s ISO connector is linked with the ignitio...

Page 35: ...ol toward the bottom and pull out the unit halfway while pressing towards the inside 5 Pull the unit all the way out with your hands being careful not to drop it Be careful to avoid injury from the catch pins on the removal tool 1 Refer to the section Removing the hard rubber frame and then remove the hard rubber frame 2 Remove the screw M4 8 on the back panel 3 Insert the two removal tools deeply...

Page 36: ...onnect the wire correctly referring to the section on Connecting Wires to Terminals The TEL mute function does not work 15 The TEL mute wire is not connected properly Connect the wire correctly referring to the section on Connecting Wires to Terminals The TEL mute function turns ON even though the TEL mute wire is not connected 16 The TEL mute wire is touching a metal part of the car Pull the TEL ...

Page 37: ... MHz It isn t the set Traffic information sound volume 43 The set sound volume is less than the tuner sound volume If the tuner sound volume is louder than the set sound volume the tuner sound volume is used Disc source AUX is displayed without achieving External disc control mode 50 O N switch is set to O side Set the switch to N side Unsupported disc changer is connected 51 Connect the supported...

Page 38: ... the ACC switch ON again and press the Eject button The disc won t insert 65 There s already another disc inserted Press the 0 button and remove the disc Direct Track Search and Direct Album Search can t be done 66 1 Another function is ON Turn Random Play or other functions OFF Track Search can t be done 66 2 For the albums first or last song For each album Track Search can t be done in the backw...

Page 39: ...magazine And then press the reset button on the unit If the Mecha Error code does not disappear consult your nearest service center Hold Error The protective circuit in the unit activates when the temperature inside the automatic disc changer exceeds 60 C 140 F stopping all operation E0d Cool down the unit by opening the windows or turning on the air conditioner As the temperature falls below 60 C...

Page 40: ...5 µV CD player section Laser diode GaAlAs λ 780 nm Digital filter D A 8 Times Over Sampling D A Converter 1 Bit Spindle speed 500 200 rpm CLV Wow Flutter Below Measurable Limit Frequency response 1 dB 10 Hz 20 kHz Total harmonic distortion 1 kHz 0 01 Signal to Noise ratio 1 kHz 96 dB Dynamic range 95 dB Channel separation 90 dB Audio section Maximum output power 50 W x 4 Full Bandwidth Power DIN 4...

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