KDC-6024/Y/X4697TEST MODE1. How to enter the test mode• While holding the preset 1 key and 3 keys, reset the unit.2. How to exit from the test mode• Reset the unit, ACC OFF, power OFF, and come off thefront panel assy for the unit.3. Initial status in the test mode• Sources : All OFF.• Display : All segments were lit.• Volume : -10 dB (displayed as 30)• Loudness : OFF• CRSC : OFF regardless of the presence ofswitching function.• SYSTEM Q : Flat.• Aux : ON• Display color : white (variable color display model only)• Beep sound : ON4. Special display in Tuner modeWhen any of the following messages is displayed in Tunermode, the Front-end (F/E) may be bad condition.• "TNE2P NG": The EEPROM is set to the default (unstablevalues) because the F/E was shipped without passingthrough the adjustment process, etc.• "TNCON NG": Communication with the F/E to micro-processor is not possible.5. Forced switching of K3IEach press of the Preset 6 key in Tuner mode shouldswitch K3I from AUTO Forced Wide Forced Middle Forced Narrow AUTO. The initial status is AUTO andthe display shows these modes as follows.• AUTO : FMA• Forced Wide : FMW• Forced Middle : FMM• Forced Narrow : FMN6. Test mode specifications of the CD receiver• Forced ejection is inhibited in the reset start operation.When the unit is reset while a CD is loaded in it, the CD isnot recognized by resetting.• Each press of the Track Up key jumps to the followingtrack numbers:No. 9 No. 15 No. 10 No. 11 No. 12 No. 13 No. 22 No. 14 No. 9 (The cycle restarts from here.)• Each press of the Track Down key jumps to the previoustrack number to the track being played.• When the number of total tracks of an MP3 disc is nine orless, unit playback from a track 1.• When the media to CD-DA, unit playback from track No.28by key operation of preset 1 key.7. Audio-related specifications• A short press of the Q key initiates the audio adjustmentmode.• Pressing the ✽ key on the remote initiates the audio ad-justment mode.• Continuous holding of a remote control key is inhibited.• Bass, Middle and Treble are adjusted in 3 steps of -8 / 0 /+8 with the Track Up/down keys (default is 0).• Balance is adjusted in 3 steps of Left L15 / 0 / R15 Maxwith the Track Up/down keys (default is 0).• Fader is adjusted in 3 steps of Rear15 / 0 / F15 Max withthe Track Up/down keys (default is 0).• HPF is adjusted in 2 steps of Through/170Hz (or 200Hz)with the Track Up/down keys (default is through).• LPF is adjusted in 2 steps of Through/120Hz with the TrackUp/down keys (default is through).• Bass f, Bass Q, Bass EXT, Middle f, Middle Q and Treblef are not dealt with by the audio adjustment.8. Menu-related specifications• A short press of the PLAY/PAUSE key initiates the Menumode.• Pressing the DNPP key on the remote initiates the Menumode.• Continuous holding of a remote control key is inhibited.• Contrast is adjusted press of the Track up/down key in 3steps of 0 / 5 / 10 (default is 5).9. Backup current measurementWhen the unit is reset while ACC is OFF (i.e. by turningBackup ON), the MUTE terminal goes OFF in 2 seconds inplace of 15 second. (The CD mechanism is not activated atthis time.)