Planet Audio P9756 - User Manual

Questions and Answers

M
Martin NixonAug 13, 2025
What to do if I cannot watch images while driving with my Planet Audio Car Receiver?
- C
  collin85Aug 13, 2025
  To watch images, park the car in a safe place. Ensure the car is in stall position, the hand brake is pulled up, and the king brake wire is grounded.
R
reyeskristinaAug 17, 2025
How to fix a Planet Audio P9756 that cannot power on?
- J
  Julia HughesAug 17, 2025
  If your Planet Audio Car Receiver cannot power on, it might be due to some factors causing MPU pre wrong operation. Press the RES button on the panel with a penpoint, and then power it on.
M
macdonaldnicholasAug 20, 2025
What to do if there is no image on my Planet Audio P9756?
- M
  Michael MayAug 20, 2025
  If there is no image on your Planet Audio Car Receiver, it may be due to other factors causing MPU pre wrong operation. Press the RES button on the panel using a penpoint, then power it on.
J
James JohnsonAug 25, 2025
Why my Planet Audio Car Receiver cannot play disc?
- E
  ethanlawsonAug 25, 2025
  If your Planet Audio Car Receiver cannot play a disc, it could be due to several reasons: * The disc is scratched, in which case you should change to a new disc. * The disc was inserted with the wrong side up; insert the disc with the sign side up. * The lens is dirty; clean the lens using a lens cleaning disc.
E
Emily JensenAug 28, 2025
What to do if my Planet Audio P9756 Car Receiver cannot load disk?
- S
  Sean MartinAug 28, 2025
  If your Planet Audio Car Receiver is not loading disks, it may be because there is already a disk inside. Remove the disc before inserting another one.
J
Jessica AndersonAug 31, 2025
How to improve poor radio station performance on a Planet Audio P9756 Car Receiver?
- D
  Derrick FullerSep 1, 2025
  If your Planet Audio Car Receiver has poor radio station performance, it may be due to a weak signal. Move the car to another location and research for stations again.
A
Angela MercadoSep 4, 2025
What to do if Planet Audio Car Receiver settings are lost after ignition switch off?
- B
  Bridget EdwardsSep 4, 2025
  If your Planet Audio Car Receiver loses setting information after the ignition switch is turned off, change the battery or fuse, then reset the information and save it.
S
stoutbrookeSep 8, 2025
Why I cannot switch language/subtitle on my Planet Audio P9756?
- K
  karen59Sep 8, 2025
  If you cannot switch the language or subtitle on your Planet Audio Car Receiver, it might be because the disc only contains one language or subtitle. You cannot switch if the disc does not have multi-language or subtitle options.

Overview

Function Description
Panel Introduction and Basic Functions
Remote Control Operation
Battery Change
Turn On/Off and Main Interface Access
USB/SD Card Operation
Radio Operation
Disc Operation
ST. Wheel Setting
External Input Operation
Rear View Function
Calendar
Calculator
Access Setup Interface
Troubleshooting
Important Technical Specifications
Accessory
DVD Parental Control Function

This document describes the Planet Audio P9756, a One Din In-Dash AM/FM DVD/MP3/CD Receiver with a 7" (178mm) Widescreen Touchscreen TFT Digital Monitor, featuring dual (front and rear) USB and SD Memory card ports, and an AUX Input.

Function Description:

The P9756 is a versatile multimedia disc player designed for in-dash installation. It supports various audio and video formats from DVDs, CDs, MP3s, and MPEG4s, as well as files from USB devices and SD cards. It also includes an AM/FM radio tuner. The device features a motorized 7-inch widescreen touchscreen TFT digital monitor for intuitive control and display.

Panel Introduction and Basic Functions:

The front panel includes several key controls:

OPEN Button (1): Opens/closes the screen. A short press turns the power on, and a long press turns it off.
SEEK Knob (2): In radio mode, rotates to select stations (up/backward) or long press for auto scan. In playback mode, rotates to select songs (up/backward) or long press for fast forward/backward.
RELEASE Button (3): Releases the panel.
MODE Button (4): Switches between different function modes (RADIO, DVD, USB, SD, AUX). The system automatically skips modes if no disc or device is connected.
(VOL/SEL) Volume Adjustment Mode (5): Repeatedly pressing this button cycles through VOL, BAS, TRE, BAL, FAD adjustment modes. Rotating the knob adjusts the selected parameter.
MUTE Button (6): Short press mutes/unmutes sound. Long press turns the TFT LCD display on/off.
Number Buttons 1-6 (7-12):
- 1/ (7): Radio preset / Disc Play/Pause.
- 2/RPT (8): Radio preset / Repeat current track.
- 3/RDM (9): Radio preset / Play tracks in random order.
- 4/ (10): Radio preset / Stop playback.
- 5/▼ (11): Adjusts screen angle (playback mode).
- 6/▲ (12): Adjusts screen angle (playback mode).
Dual (front and rear) AUX Input (13): For external audio input. Warning: Use either front or rear AUX at a time; never connect both simultaneously to avoid malfunctions.
Dual (front and rear) USB Ports (14): For reading audio/video files from USB devices. Warning: Use either front or rear USB at a time; never connect both simultaneously to avoid malfunctions.
IR (15): Infrared receiver for the remote control.
Eject Button (16): Ejects a disc from the unit.
SD Memory Card Port (17): Inserts SD card for automatic file playback.
RESET Button (18): Restores the unit to its initial state.

Remote Control Operation:

The remote control offers comprehensive control over the device's functions:

POWER ON/OFF (1): Toggles power.
MUTE (2): Toggles audio mute.
SOURCE (3): Changes mode.
EQ (4): Selects sound equalization presets (POP, ROCK, CLASSIC, EQ off).
SEEK+ (►) / SEEK-() (5): Skips to previous/next song (MP3, USB, SD) or seeks radio stations.
VOL+ (►)/ VOL-() (6): Adjusts volume.
SEL (7): Selects sound features.
LOUD (8): Activates Loudness function.
BAND-P/N (9): Selects radio band (FM1, FM2, FM3, AM1, AM2) or video system (PAL, AUTO, NTSC) in VCD/DVD mode.
LOC/RDM (10): Toggles between local/distance search (radio) or random play (VCD/CD).
STOP (11): Stops playback.
PLAY/PAUSE (12): Toggles play/pause.
ST/PROG (13): Selects stereo/mono station (radio) or programmed play (audio).
0-10+ (14): Selects desired song, section, or preset stations using decimal numbers.
AMS/RPT (15): Browses stored stations (radio) or repeats playback (audio).
TITLE (16): Returns to disc's top menu (DVD).
AUDIO (17): Switches dialogue language (DVD) or selects left/right track/stereo (VCD).
GO TO (18): Defines playing time (DVD).
SUBTITLE (19): Switches subtitle language (DVD).
PBC (20): Displays song menus (VCD) for selection with number buttons.
UP, DOWN, LEFT, RIGHT, ENTER (21): Navigates menus and confirms selections.
SLOW (22): Slow backward/forward playback (audio).
ANGLE (23): Changes play angle (DVD).
SETUP (24): Accesses different set items (audio).
OSD Display (25): Displays title chapter and remaining time.
ZOOM (26): Zooms in (DVD/VCD).
MENU (27): Returns to main menu.
DSP (28): Shows time.

Battery Change:

If remote control distance shortens or functions fail, replace the battery, ensuring correct polarity.

Turn On/Off and Main Interface Access:

The unit powers on when the ignition is in ACC or ON position by pressing the power button. A 3-second long press turns it off. The main interface displays icons for various functions, which can be accessed by touching them or by sliding a finger across the screen.

USB/SD Card Operation:

The unit plays audio/video/image files from connected USB devices or SD cards.

Insert/Eject USB: Connect a U-disc via a USB cable. Eject by exiting playback screen and removing the device.
Insert/Eject SD Card: Insert an SD card until it locks. Eject by exiting playback, pressing the card, and allowing it to pop out.
Enter/Exit: Inserting a USB or SD card automatically starts playback. If already connected, touch the [USB] or [SD] icon in the multimedia interface. During playback, touch the top center of the screen to access the touch menu for controls.

Radio Operation:

Enter/Exit: Touch [Radio] icon to enter. Touch to return to main interface.
MUTE on/off: Click icon.
Loudness on/off: Click icon.
Search/Save Stations: Short press to browse stored stations. FM band saves 18 stations (3 banks of 6), AM band saves 12 stations (2 banks of 6).
Band Selection: Click icon to switch among FM1, FM2, FM3, AM1, AM2.
Long/Short-range (LOC/DX): Click icon to switch between local (strong signals only) and remote (weak signals) search. LOC is for good reception, DX enables reception of weaker signals. (Available only in FM band).
Stereo on/off: Click icon when receiving stereo signals.
TA (Traffic Information): When ON, the radio searches for traffic stations, displaying "TP". After information is broadcast, it switches back to the previous mode. Repress [TA] to close.
AF (Alternative Frequencies): When ON, the radio fine-tunes to other frequencies if the signal becomes weak. Displays warning for emergency announcements.
PTY (Program Type): Displays program types for station search. (Note: Requires RDS function).

Disc Operation:

Play/Eject Disc: Insert disc with printing surface up for automatic playback. Eject by clicking the [▲] button. If not removed within 15 seconds, the disc is re-inserted but not played. Do not insert two or more discs.
DVD/VCD/CD Playback: During playback, touch the lower middle area of the screen to pop up the touch menu for controls. CD playback starts immediately upon insertion.
MP3/JPEG/MPEG4 Playback: Files are automatically read and played. Touch the screen area for the touch menu.
Touch Menu Functions:
- MUTE: Toggles mute.
- Play/Pause: Toggles play/pause.
- Stop: Enters pre-stop status.
- Fast forward/backward: Selects speed.
- Previous/Next Song: Selects track.
- Access Next Menu: Accesses next menu interface.
- Disc: Ejects disc.
- Stereo on/off: Toggles stereo.
- Return to Root Menu: Returns to DVD root menu or VCD PBC menu. Displays chapters for direct selection.
- Access Title Menu: Returns to disc title menu.
- Repeat Play: Cycles through Chapter repeat → Title repeat → Repeat All → Off. (VCD only works when PBC is off).
- Language Selection: Selects language.
- Digit Keyboard: Appears for direct track selection.
- Switch Play Order: Switches play order.
- Zoom in/Zoom out Image: Zooms image. (Volume adjustment also displays a picture in the screen center).
- Setting: Enters setting interface.
- EQ: Displays EQ modes (EQ OFF, POP, ROCK, CLASS).

ST. Wheel Setting:

Click the [SWC] icon in the main interface.
Connect vehicle control lines (positive/negative) to machine control lines.
Click SWC buttons to assign operations.
Save settings by clicking the [Confirm] icon. To modify, repeat steps 3-4. To reset, click [Reset] icon and repeat steps 3-4.

External Input Operation:

Connect video and audio input plugs to external jacks. Touch [AUX-IN] icon to access the interface.

Audio: Adjust volume, bass, pitch, front/back, left/right speaker balance.
Video: Adjust brightness, contrast, saturation, hue, and video standard mode.

Rear View Function:

Automatically switches to reverse video when reversing the car and returns to the initial state afterward. Warning: Do not rely solely on the CCD system; use direct eyesight while driving. The system assists but has limited range.

Calendar:

Touch the [Calendar] icon to view the calendar.

Calculator:

Touch the [Calculator] icon to access the calculator for basic operations (+/-/x/÷).

Access Setup Interface:

Click [Setting] icon on the main interface.

General Setting:
- Wallpapers: Preview and set favorite wallpapers.
- Key Beep: On/Off.
- CIRT: On/Off.
- RDS Setting: On/Off.
Audio Setting: Turn on/off existing functions and adjust rearview volume.
Video Setting: Adjust brightness, contrast, saturation, and hue.
Language Setting: Select preferred language for menus.
Time Setting: Set Time mode, Year, Month, Date, Hour, Minute.
Version: Check software version numbers (DISC/MCU/TFT).
Touch Calibration: If touch position is biased, touch [Calibrate] and follow instructions to recalibrate using a touch pen.

Troubleshooting:

Cannot power on: Check fuse, MPU wrong operation. Solution: Change fuse, press RES button.
Setting information lost after ignition off: Cause: Battery or fuse change. Solution: Reset information and save.
Poor radio performance: Cause: Weak signal. Solution: Move car, research.
Cannot load disk: Cause: Disk inside, scratched. Solution: Remove disc, change new disc.
Cannot play disc: Cause: Wrong side, dirty lens. Solution: Insert with sign side up, clean lens.
Cannot switch language/subtitle: Cause: Only one language/subtitle, MPU wrong operation. Solution: If disc is single language, cannot switch. Press RES button.
No image: Cause: Other MPU wrong operation. Solution: Press RES button.
Cannot watch image during driving: Cause: Not allowed for safety. Solution: Park in safe place, put car in "P" position, pull up hand brake, parking brake wire must be grounded.

Important Technical Specifications:

Power Supply: DC 12V
Power Range: 10.8-16.0V DC
Max Current Consumption: 15A
Ground System: Negative ground
Power Output: 85 Watts x 4 Channels
FM Tuner:
- US Frequency Range: 87.5-107.9MHz
- European Frequency Range: 87.5-108MHz
- Signal/Noise Ratio: 55dB
- Stereo Separation: 30dB
- Search Station Volt: 20-30dBuv
AM Tuner:
- US Frequency Range: 530-1710KHz
- European Frequency Range: 522-1620KHz
- Limit Noise Sensitivity: 32dB
DVD Player:
- S/N Ratio: 70dB
- Frequency Response: 20Hz-20KHz

Accessory:

Wire: 1PC
USB Cable: 1PC
Remote Controller: 1PC
Warranty Card: 2PCS

DVD Parental Control Function:

The default setting for DVD parental control is #8 adult, allowing all grades of DVD to be read without a password. To change the default grade, access the SETUP menu, select password, enter 0000, and choose the desired DVD grade.