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Pioneer DEH-P4000UB Support Question

Pioneer DEH-P4000UB Support Question

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Question posted by denniswhaley19 on July 24th, 2023

How To Unlock Or Reset

Have a deh p4000ub need to know how to unlock it or reset to f

Current Answers

Answer #1: Posted by SonuKumar on July 24th, 2023 9:25 PM
This answer was accepted by the poster of the original question.
SonuKumar

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Method 1: Using the buttons on the stereo

Press and hold the SRC button for about 5 seconds.

The stereo will enter the "Demo" mode.

Press and hold the selector button until the "Initial" option appears on the display.

Use the selector button to select the "Initial" option.

While in the "Initial" menu, use the selector button to scroll down to the "System Reset" option.

Press the selector button to select the "System Reset" function.

The stereo will reset and all of the settings will be restored to factory defaults.

Method 2: Using the reset button on the front panel

Press the face-plate removal button to carefully remove the front panel of the stereo.

Identify the "reset" button.

Use a small pin or screwdriver to gently press and hold the reset button for about 10 seconds.

The stereo will reset and all of the settings will be restored to factory defaults.

Note: Resetting your stereo will erase all of your saved settings, including the presets, EQ settings, and Bluetooth pairing information.

Which method should I use?

The best method to use depends on your situation. If you can still access the buttons on the stereo, then Method 1 is the easiest way to reset it. If the stereo is not responding to the buttons, then you will need to use Method 2 to reset it.

I reset my stereo, but it's still not working. What should I do?

If you have reset your stereo and it is still not working, then you may need to contact Pioneer customer support for assistance. They will be able to help you troubleshoot the issue and determine if there is a problem with the stereo.


Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

Regards,
Sonu
Your search handyman for all e-support needs!!

Related Pioneer DEH-P4000UB Manual Pages

Owner's Manual - Page 2

...audio adjustments 23 Using balance adjustment 23 Using the equalizer 23 Head unit 9 - Remote control 10 - Power ON/OFF 11 - Tuning in strong signals 13 Built-in a random order (shuffle all songs in CD...so you will know how to User 5 For Canadian model 5 About this unit What's What 9 - Introduction of an audio file 18 - Displaying text information on USB portable audio player/ USB ...
Owner's Manual - Page 4

... channel select mode 42 - Storing and recalling broadcast stations 43 - Displaying the Radio ID 45 Multi-CD Player 45 - Basic Operations 45 - Introduction of discs and player 51 Dual Discs 52 Compressed audio compatibility 52 USB audio player/USB memory 52 - USB audio player/USB memory compatibility 52 - Contents - Setting automatic rejecting 41 - Using the...
Owner's Manual - Page 6

... unit can be used. CAUTION ! iTunes is a registered trademark of the iPod software. ! iPod nano - CD-IB100N). For details concerning operation with the iPod adapter, refer to the satellite radio tuner owner's manual. ! Portable audio player compatibility ! USB MSC (Mass Storage Class) compliant portable audio player and memory - For details, consult your USB portable...
Owner's Manual - Page 10

...to select functions. Remote control Operation is displayed on the sound, press again. While in CD player, USB, iPod Elapsed playback time and literal information are displayed. ! Bulit-in the... d BAND/ESC button Press to control functions. f MUTE button Press to select an audio function. h AUDIO button Press to turn on the main display section. l LIST/ENTER button Press to ...
Owner's Manual - Page 11

...off (refer to switch between the following cases, the sound source will not change. - MULTI CD (multi-CD player)-IPOD (iPod)- TELEPHONE (BT telephone) Notes ! g (iPod connection) indicator Appears when the... when not in CD player)- USB (USB)-EXTERNAL (external unit 1)- En 11 b 5 (stereo) indicator Appears when the selected frequency is set to Activating the BT AUDIO source on ....
Owner's Manual - Page 14

... BAND/ESC. # This operation is sometimes a delay between starting up or down. # You cannot select a folder that can play back audio CD (CD-DA) and compressed audio (WMA/MP3/ AAC/WAV) recorded on CD-ROM. (Refer to page 54 for files that can be played back.) ! For mote details about one second and release. # When...
Owner's Manual - Page 15

...or folder name). Turn to write MP3 files onto a disc, comment information may be abbreviated. ! Audio CD that contains certain information such as text and/or number is displayed. ! When playing back VBR (...variable bit rate)-recorded WMA files, the average bit rate value is CD TEXT. ! When playing back VBR (variable bit rate)-recorded MP3 files, VBR is selected, ...
Owner's Manual - Page 16

REPEAT (repeat play)-RANDOM (random play)-SCAN (scan play range % Press RPT repeatedly to the ordinary display. ! FOLDER - When playing a compressed audio disc or CD TEXT disc, you do not operate functions except for TITLE INPUT within the selected repeat range. 1 Use MULTI-CONTROL to select SCAN in the function ...
Owner's Manual - Page 17

... compressed audio and restores rich sound. % Press S.Rtrv repeatedly to select TITLE INPUT in the unit. If you connect a multi-CD player, you can input disc titles for which you insert a CD for ... perform the same operations by pushing MULTI-CONTROL up to 10 characters long. 1 Play the CD that does not support disc title functions is connected, you want to the next character position....
Owner's Manual - Page 18

..., the source is set to ACC or ON, the battery is the same as that of the builtin CD player. (Refer to Selecting files from the file name list on page 15.) Introduction of some audio files may not be obtained depending on page 28. Notes ! You can disconnect the USB portable...
Owner's Manual - Page 19

...play)-SCAN (scan play ranges of the USB portable audio player/USB memory are basically the same as that of the built-in CD player. FOLDER - PAUSE Refer to ALL. After... or fast forward/reverse during repeat play, the repeat play range changes to Playing tracks in CD player. Repeat just the current file ! SOUND RETRIEVER (advanced sound retriever) Function and operation REPEAT...
Owner's Manual - Page 24

... curve, the equalizer curve setting is made to 0 cannot be created for each source. (The built-in CD player and the multi-CD player are memorized in the following order: L (low)-M (mid)-H (high) 4 Turn MULTI-CONTROL to ... to the same equalizer adjustment setting automatically.) If you create. Section 03 Audio Adjustments VOCAL Vocal CUSTOM Custom FLAT Flat SUPER BASS Super bass !
Owner's Manual - Page 25

...SW repeatedly to switch between the subwoofer setting modes in CD player and the multi-CD player are memorized in CUSTOM. 1 Press SW to ...-CONTROL to set to the same equalizer adjustment setting automatically.) If you can be selected between normal and reverse. Audio Adjustments Section 03 English 4 Turn MULTI-CONTROL to change the setting. Turn to adjust the selected segement. Also,...
Owner's Manual - Page 26

Only frequencies higher than those in CD player and the multi-CD player are output from the front or rear speakers. 1 Use MULTI-CONTROL to select ... same operations by pushing MULTI-CONTROL up or down . Settings are set to select the desired setting. Section 03 Audio Adjustments 4 Turn MULTI-CONTROL to change the setting. Note You can also switch to the same source level adjustment ...
Owner's Manual - Page 27

... the clock display is selected. En 27 EVER SCROLL (ever scroll)-BT AUDIO (Bluetooth audio)-PIN CODE INPUT (pin code input)-BT VER INFO (Bluetooth version information)... # You can also perform the same operations by pushing MULTI-CONTROL up or down . # You can be selected only when Bluetooth adapter (e.g., CD...
Owner's Manual - Page 28

...you change the setting. Activating the BT AUDIO source You need to activate the BT AUDIO source in the display. Section 04 Initial... Settings 2 Press MULTI-CONTROL to turn dimmer on. # To turn dimmer off , it may drain battery power. ! Initially, the unit is connected to a subwoofer without using an auxiliary amp. CD...
Owner's Manual - Page 29

...need to enter PIN code on your phone to turn the BT AUDIO source on. # To turn the BT AUDIO source off, press MULTI-CONTROL again. PIN code can be required to enter the Bluetooth audio... System version-Bluetooth module version # You can display the versions and confirm them. ! CD-BTB200) is connected to this unit connecting Bluetooth adapter fails to operate properly and you ...
Owner's Manual - Page 33

..., connect a product featuring Bluetooth wireless technology (available on this unit, you can control Bluetooth audio players via Bluetooth wireless technology. the elapsed playing time, song title, song index, etc.) ...: Only playing back songs on your Bluetooth audio player, refrain from a randomly selected album in random order. ! CD-BTB200) to select the desired setting. !
Owner's Manual - Page 34

...may need to the ordinary display. If your player requires a PIN code to establish a connection, look for Bluetooth wireless connection, connection to select DISCONNECT AUDIO in the function menu. ! If your Bluetooth audio player ... by pressing FUNCTION on Bluetooth audio player 1 Use MULTI-CONTROL to select PLAY in CD player. (Refer to start playback. DISCONNECTED is displayed.
Owner's Manual - Page 52

..., 44.1, 48 kHz for video on the disc. Frequent loading and ejecting of a Dual Disc may become stuck in scratches on the other. ! Windows Media Audio 9 Professional, Loss- Transmission ... stored in the USB portable audio player/USB memory that have a recordable CD for audio on the iPod specifications.) ! Since the CD side of USB portable audio player/USB memory you refrain from...

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